Home / 102,557.03-141,535.82-57,243.87

Finding the Fourth Proportional to 102,557.03, 141,535.82 and 57,243.87

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Solution

The fourth proportional to 102,557.03, 141,535.82 and 57,243.87 is: 79,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,557.03 : 141,535.82 = 57,243.87 : x
  2. Step 2: Convert to fraction form
    102,557.03/141,535.82 = 57,243.87/x
  3. Step 3: Cross multiply
    102,557.03x = 141,535.82 × 57,243.87
  4. Step 4: Simplify right side
    102,557.03x = 8,102,058,223.53
  5. Step 5: Solve for x
    x = 8,102,058,223.53/102,557.03
  6. Step 6: Final answer
    x = 79,000.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.