Home / 215,275.16-322,737.78-75,132.20

Finding the Fourth Proportional to 215,275.16, 322,737.78 and 75,132.20

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Solution

The fourth proportional to 215,275.16, 322,737.78 and 75,132.20 is: 112,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,275.16 : 322,737.78 = 75,132.20 : x
  2. Step 2: Convert to fraction form
    215,275.16/322,737.78 = 75,132.20/x
  3. Step 3: Cross multiply
    215,275.16x = 322,737.78 × 75,132.20
  4. Step 4: Simplify right side
    215,275.16x = 24,247,999,434.52
  5. Step 5: Solve for x
    x = 24,247,999,434.52/215,275.16
  6. Step 6: Final answer
    x = 112,637.24

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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.