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Finding the Fourth Proportional to 168,365.28, 252,307.28 and 123,641.12

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Solution

The fourth proportional to 168,365.28, 252,307.28 and 123,641.12 is: 185,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,365.28 : 252,307.28 = 123,641.12 : x
  2. Step 2: Convert to fraction form
    168,365.28/252,307.28 = 123,641.12/x
  3. Step 3: Cross multiply
    168,365.28x = 252,307.28 × 123,641.12
  4. Step 4: Simplify right side
    168,365.28x = 31,195,554,683.35
  5. Step 5: Solve for x
    x = 31,195,554,683.35/168,365.28
  6. Step 6: Final answer
    x = 185,284.96

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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.