Home / 101,652.43-140,281.18-56,331.18

Finding the Fourth Proportional to 101,652.43, 140,281.18 and 56,331.18

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Solution

The fourth proportional to 101,652.43, 140,281.18 and 56,331.18 is: 77,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,652.43 : 140,281.18 = 56,331.18 : x
  2. Step 2: Convert to fraction form
    101,652.43/140,281.18 = 56,331.18/x
  3. Step 3: Cross multiply
    101,652.43x = 140,281.18 × 56,331.18
  4. Step 4: Simplify right side
    101,652.43x = 7,902,204,401.19
  5. Step 5: Solve for x
    x = 7,902,204,401.19/101,652.43
  6. Step 6: Final answer
    x = 77,737.49

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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.