Home / 102,657.30-153,985.94-38,627.47

Finding the Fourth Proportional to 102,657.30, 153,985.94 and 38,627.47

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Solution

The fourth proportional to 102,657.30, 153,985.94 and 38,627.47 is: 57,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,657.30 : 153,985.94 = 38,627.47 : x
  2. Step 2: Convert to fraction form
    102,657.30/153,985.94 = 38,627.47/x
  3. Step 3: Cross multiply
    102,657.30x = 153,985.94 × 38,627.47
  4. Step 4: Simplify right side
    102,657.30x = 5,948,087,421.97
  5. Step 5: Solve for x
    x = 5,948,087,421.97/102,657.30
  6. Step 6: Final answer
    x = 57,941.20

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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.