Home / 145,505.28-218,242.56-52,008.96

Finding the Fourth Proportional to 145,505.28, 218,242.56 and 52,008.96

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Solution

The fourth proportional to 145,505.28, 218,242.56 and 52,008.96 is: 78,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,505.28 : 218,242.56 = 52,008.96 : x
  2. Step 2: Convert to fraction form
    145,505.28/218,242.56 = 52,008.96/x
  3. Step 3: Cross multiply
    145,505.28x = 218,242.56 × 52,008.96
  4. Step 4: Simplify right side
    145,505.28x = 11,350,568,573.34
  5. Step 5: Solve for x
    x = 11,350,568,573.34/145,505.28
  6. Step 6: Final answer
    x = 78,007.95

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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.