Home / 102,657.11-153,985.66-38,627.29

Finding the Fourth Proportional to 102,657.11, 153,985.66 and 38,627.29

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Solution

The fourth proportional to 102,657.11, 153,985.66 and 38,627.29 is: 57,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,657.11 : 153,985.66 = 38,627.29 : x
  2. Step 2: Convert to fraction form
    102,657.11/153,985.66 = 38,627.29/x
  3. Step 3: Cross multiply
    102,657.11x = 153,985.66 × 38,627.29
  4. Step 4: Simplify right side
    102,657.11x = 5,948,048,840.58
  5. Step 5: Solve for x
    x = 5,948,048,840.58/102,657.11
  6. Step 6: Final answer
    x = 57,940.94

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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.