Home / 97,689.60-146,345.76-58,278.24

Finding the Fourth Proportional to 97,689.60, 146,345.76 and 58,278.24

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Solution

The fourth proportional to 97,689.60, 146,345.76 and 58,278.24 is: 87,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,689.60 : 146,345.76 = 58,278.24 : x
  2. Step 2: Convert to fraction form
    97,689.60/146,345.76 = 58,278.24/x
  3. Step 3: Cross multiply
    97,689.60x = 146,345.76 × 58,278.24
  4. Step 4: Simplify right side
    97,689.60x = 8,528,773,324.26
  5. Step 5: Solve for x
    x = 8,528,773,324.26/97,689.60
  6. Step 6: Final answer
    x = 87,304.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.