Home / 102,127.26-153,191.94-31,061.43

Finding the Fourth Proportional to 102,127.26, 153,191.94 and 31,061.43

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Solution

The fourth proportional to 102,127.26, 153,191.94 and 31,061.43 is: 46,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,127.26 : 153,191.94 = 31,061.43 : x
  2. Step 2: Convert to fraction form
    102,127.26/153,191.94 = 31,061.43/x
  3. Step 3: Cross multiply
    102,127.26x = 153,191.94 × 31,061.43
  4. Step 4: Simplify right side
    102,127.26x = 4,758,360,720.87
  5. Step 5: Solve for x
    x = 4,758,360,720.87/102,127.26
  6. Step 6: Final answer
    x = 46,592.46

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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.