Home / 102,288.57-153,441.56-31,227.18

Finding the Fourth Proportional to 102,288.57, 153,441.56 and 31,227.18

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Solution

The fourth proportional to 102,288.57, 153,441.56 and 31,227.18 is: 46,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,288.57 : 153,441.56 = 31,227.18 : x
  2. Step 2: Convert to fraction form
    102,288.57/153,441.56 = 31,227.18/x
  3. Step 3: Cross multiply
    102,288.57x = 153,441.56 × 31,227.18
  4. Step 4: Simplify right side
    102,288.57x = 4,791,547,213.60
  5. Step 5: Solve for x
    x = 4,791,547,213.60/102,288.57
  6. Step 6: Final answer
    x = 46,843.43

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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.