Home / 102,110.84-153,166.32-31,995.64

Finding the Fourth Proportional to 102,110.84, 153,166.32 and 31,995.64

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Solution

The fourth proportional to 102,110.84, 153,166.32 and 31,995.64 is: 47,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,110.84 : 153,166.32 = 31,995.64 : x
  2. Step 2: Convert to fraction form
    102,110.84/153,166.32 = 31,995.64/x
  3. Step 3: Cross multiply
    102,110.84x = 153,166.32 × 31,995.64
  4. Step 4: Simplify right side
    102,110.84x = 4,900,654,434.84
  5. Step 5: Solve for x
    x = 4,900,654,434.84/102,110.84
  6. Step 6: Final answer
    x = 47,993.48

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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.