Home / 101,937.08-140,677.88-56,615.28

Finding the Fourth Proportional to 101,937.08, 140,677.88 and 56,615.28

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Solution

The fourth proportional to 101,937.08, 140,677.88 and 56,615.28 is: 78,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,937.08 : 140,677.88 = 56,615.28 : x
  2. Step 2: Convert to fraction form
    101,937.08/140,677.88 = 56,615.28/x
  3. Step 3: Cross multiply
    101,937.08x = 140,677.88 × 56,615.28
  4. Step 4: Simplify right side
    101,937.08x = 7,964,517,566.01
  5. Step 5: Solve for x
    x = 7,964,517,566.01/101,937.08
  6. Step 6: Final answer
    x = 78,131.70

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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.