Home / 102,016.70-153,025.05-31,903.10

Finding the Fourth Proportional to 102,016.70, 153,025.05 and 31,903.10

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Solution

The fourth proportional to 102,016.70, 153,025.05 and 31,903.10 is: 47,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,016.70 : 153,025.05 = 31,903.10 : x
  2. Step 2: Convert to fraction form
    102,016.70/153,025.05 = 31,903.10/x
  3. Step 3: Cross multiply
    102,016.70x = 153,025.05 × 31,903.10
  4. Step 4: Simplify right side
    102,016.70x = 4,881,973,472.66
  5. Step 5: Solve for x
    x = 4,881,973,472.66/102,016.70
  6. Step 6: Final answer
    x = 47,854.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.