Home / 145,733.28-218,607.76-45,901.29

Finding the Fourth Proportional to 145,733.28, 218,607.76 and 45,901.29

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Solution

The fourth proportional to 145,733.28, 218,607.76 and 45,901.29 is: 68,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,733.28 : 218,607.76 = 45,901.29 : x
  2. Step 2: Convert to fraction form
    145,733.28/218,607.76 = 45,901.29/x
  3. Step 3: Cross multiply
    145,733.28x = 218,607.76 × 45,901.29
  4. Step 4: Simplify right side
    145,733.28x = 10,034,378,188.01
  5. Step 5: Solve for x
    x = 10,034,378,188.01/145,733.28
  6. Step 6: Final answer
    x = 68,854.40

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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.