Home / 155,789.79-233,591.21-71,444.30

Finding the Fourth Proportional to 155,789.79, 233,591.21 and 71,444.30

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Solution

The fourth proportional to 155,789.79, 233,591.21 and 71,444.30 is: 107,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,789.79 : 233,591.21 = 71,444.30 : x
  2. Step 2: Convert to fraction form
    155,789.79/233,591.21 = 71,444.30/x
  3. Step 3: Cross multiply
    155,789.79x = 233,591.21 × 71,444.30
  4. Step 4: Simplify right side
    155,789.79x = 16,688,758,959.43
  5. Step 5: Solve for x
    x = 16,688,758,959.43/155,789.79
  6. Step 6: Final answer
    x = 107,123.57

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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.