Home / 140,030.32-209,983.38-40,167.76

Finding the Fourth Proportional to 140,030.32, 209,983.38 and 40,167.76

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Solution

The fourth proportional to 140,030.32, 209,983.38 and 40,167.76 is: 60,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,030.32 : 209,983.38 = 40,167.76 : x
  2. Step 2: Convert to fraction form
    140,030.32/209,983.38 = 40,167.76/x
  3. Step 3: Cross multiply
    140,030.32x = 209,983.38 × 40,167.76
  4. Step 4: Simplify right side
    140,030.32x = 8,434,562,011.83
  5. Step 5: Solve for x
    x = 8,434,562,011.83/140,030.32
  6. Step 6: Final answer
    x = 60,233.83

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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.