Home / 159,348.18-219,877.32-90,426.90

Finding the Fourth Proportional to 159,348.18, 219,877.32 and 90,426.90

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Solution

The fourth proportional to 159,348.18, 219,877.32 and 90,426.90 is: 124,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,348.18 : 219,877.32 = 90,426.90 : x
  2. Step 2: Convert to fraction form
    159,348.18/219,877.32 = 90,426.90/x
  3. Step 3: Cross multiply
    159,348.18x = 219,877.32 × 90,426.90
  4. Step 4: Simplify right side
    159,348.18x = 19,882,824,427.91
  5. Step 5: Solve for x
    x = 19,882,824,427.91/159,348.18
  6. Step 6: Final answer
    x = 124,775.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.