Home / 145,423.52-218,140.16-40,233.68

Finding the Fourth Proportional to 145,423.52, 218,140.16 and 40,233.68

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Solution

The fourth proportional to 145,423.52, 218,140.16 and 40,233.68 is: 60,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,423.52 : 218,140.16 = 40,233.68 : x
  2. Step 2: Convert to fraction form
    145,423.52/218,140.16 = 40,233.68/x
  3. Step 3: Cross multiply
    145,423.52x = 218,140.16 × 40,233.68
  4. Step 4: Simplify right side
    145,423.52x = 8,776,581,392.59
  5. Step 5: Solve for x
    x = 8,776,581,392.59/145,423.52
  6. Step 6: Final answer
    x = 60,351.87

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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.