Home / 102,542.45-153,515.79-59,717.31

Finding the Fourth Proportional to 102,542.45, 153,515.79 and 59,717.31

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Solution

The fourth proportional to 102,542.45, 153,515.79 and 59,717.31 is: 89,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,542.45 : 153,515.79 = 59,717.31 : x
  2. Step 2: Convert to fraction form
    102,542.45/153,515.79 = 59,717.31/x
  3. Step 3: Cross multiply
    102,542.45x = 153,515.79 × 59,717.31
  4. Step 4: Simplify right side
    102,542.45x = 9,167,550,021.32
  5. Step 5: Solve for x
    x = 9,167,550,021.32/102,542.45
  6. Step 6: Final answer
    x = 89,402.49

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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.