Home / 142,757.64-214,167.78-42,926.76

Finding the Fourth Proportional to 142,757.64, 214,167.78 and 42,926.76

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Solution

The fourth proportional to 142,757.64, 214,167.78 and 42,926.76 is: 64,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,757.64 : 214,167.78 = 42,926.76 : x
  2. Step 2: Convert to fraction form
    142,757.64/214,167.78 = 42,926.76/x
  3. Step 3: Cross multiply
    142,757.64x = 214,167.78 × 42,926.76
  4. Step 4: Simplify right side
    142,757.64x = 9,193,528,891.79
  5. Step 5: Solve for x
    x = 9,193,528,891.79/142,757.64
  6. Step 6: Final answer
    x = 64,399.56

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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.