Home / 140,320.92-210,456.08-40,456.59

Finding the Fourth Proportional to 140,320.92, 210,456.08 and 40,456.59

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Solution

The fourth proportional to 140,320.92, 210,456.08 and 40,456.59 is: 60,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,320.92 : 210,456.08 = 40,456.59 : x
  2. Step 2: Convert to fraction form
    140,320.92/210,456.08 = 40,456.59/x
  3. Step 3: Cross multiply
    140,320.92x = 210,456.08 × 40,456.59
  4. Step 4: Simplify right side
    140,320.92x = 8,514,335,341.57
  5. Step 5: Solve for x
    x = 8,514,335,341.57/140,320.92
  6. Step 6: Final answer
    x = 60,677.59

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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.