Home / 140,298.73-210,479.20-40,451.14

Finding the Fourth Proportional to 140,298.73, 210,479.20 and 40,451.14

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Solution

The fourth proportional to 140,298.73, 210,479.20 and 40,451.14 is: 60,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,298.73 : 210,479.20 = 40,451.14 : x
  2. Step 2: Convert to fraction form
    140,298.73/210,479.20 = 40,451.14/x
  3. Step 3: Cross multiply
    140,298.73x = 210,479.20 × 40,451.14
  4. Step 4: Simplify right side
    140,298.73x = 8,514,123,586.29
  5. Step 5: Solve for x
    x = 8,514,123,586.29/140,298.73
  6. Step 6: Final answer
    x = 60,685.68

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1.5x scale

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.