Home / 101,746.64-140,402.76-57,026

Finding the Fourth Proportional to 101,746.64, 140,402.76 and 57,026

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Solution

The fourth proportional to 101,746.64, 140,402.76 and 57,026 is: 78,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,746.64 : 140,402.76 = 57,026 : x
  2. Step 2: Convert to fraction form
    101,746.64/140,402.76 = 57,026/x
  3. Step 3: Cross multiply
    101,746.64x = 140,402.76 × 57,026
  4. Step 4: Simplify right side
    101,746.64x = 8,006,607,791.76
  5. Step 5: Solve for x
    x = 8,006,607,791.76/101,746.64
  6. Step 6: Final answer
    x = 78,691.62

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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.