Home / 102,657.17-153,985.75-38,627.35

Finding the Fourth Proportional to 102,657.17, 153,985.75 and 38,627.35

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Solution

The fourth proportional to 102,657.17, 153,985.75 and 38,627.35 is: 57,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,657.17 : 153,985.75 = 38,627.35 : x
  2. Step 2: Convert to fraction form
    102,657.17/153,985.75 = 38,627.35/x
  3. Step 3: Cross multiply
    102,657.17x = 153,985.75 × 38,627.35
  4. Step 4: Simplify right side
    102,657.17x = 5,948,061,460.26
  5. Step 5: Solve for x
    x = 5,948,061,460.26/102,657.17
  6. Step 6: Final answer
    x = 57,941.02

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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.