Home / 101,733.18-140,391.07-56,411.14

Finding the Fourth Proportional to 101,733.18, 140,391.07 and 56,411.14

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Solution

The fourth proportional to 101,733.18, 140,391.07 and 56,411.14 is: 77,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,733.18 : 140,391.07 = 56,411.14 : x
  2. Step 2: Convert to fraction form
    101,733.18/140,391.07 = 56,411.14/x
  3. Step 3: Cross multiply
    101,733.18x = 140,391.07 × 56,411.14
  4. Step 4: Simplify right side
    101,733.18x = 7,919,620,304.52
  5. Step 5: Solve for x
    x = 7,919,620,304.52/101,733.18
  6. Step 6: Final answer
    x = 77,846.97

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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.