Home / 122,057.28-182,836.44-90,502.92

Finding the Fourth Proportional to 122,057.28, 182,836.44 and 90,502.92

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Solution

The fourth proportional to 122,057.28, 182,836.44 and 90,502.92 is: 135,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,057.28 : 182,836.44 = 90,502.92 : x
  2. Step 2: Convert to fraction form
    122,057.28/182,836.44 = 90,502.92/x
  3. Step 3: Cross multiply
    122,057.28x = 182,836.44 × 90,502.92
  4. Step 4: Simplify right side
    122,057.28x = 16,547,231,702.40
  5. Step 5: Solve for x
    x = 16,547,231,702.40/122,057.28
  6. Step 6: Final answer
    x = 135,569.40

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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.