Home / 145,816.38-218,717.29-57,086.15

Finding the Fourth Proportional to 145,816.38, 218,717.29 and 57,086.15

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Solution

The fourth proportional to 145,816.38, 218,717.29 and 57,086.15 is: 85,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,816.38 : 218,717.29 = 57,086.15 : x
  2. Step 2: Convert to fraction form
    145,816.38/218,717.29 = 57,086.15/x
  3. Step 3: Cross multiply
    145,816.38x = 218,717.29 × 57,086.15
  4. Step 4: Simplify right side
    145,816.38x = 12,485,728,024.53
  5. Step 5: Solve for x
    x = 12,485,728,024.53/145,816.38
  6. Step 6: Final answer
    x = 85,626.37

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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.