Home / 101,403.26-139,937.70-56,084.96

Finding the Fourth Proportional to 101,403.26, 139,937.70 and 56,084.96

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Solution

The fourth proportional to 101,403.26, 139,937.70 and 56,084.96 is: 77,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,403.26 : 139,937.70 = 56,084.96 : x
  2. Step 2: Convert to fraction form
    101,403.26/139,937.70 = 56,084.96/x
  3. Step 3: Cross multiply
    101,403.26x = 139,937.70 × 56,084.96
  4. Step 4: Simplify right side
    101,403.26x = 7,848,400,306.99
  5. Step 5: Solve for x
    x = 7,848,400,306.99/101,403.26
  6. Step 6: Final answer
    x = 77,397.91

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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.