Home / 145,044.68-217,562.46-39,862.74

Finding the Fourth Proportional to 145,044.68, 217,562.46 and 39,862.74

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Solution

The fourth proportional to 145,044.68, 217,562.46 and 39,862.74 is: 59,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,044.68 : 217,562.46 = 39,862.74 : x
  2. Step 2: Convert to fraction form
    145,044.68/217,562.46 = 39,862.74/x
  3. Step 3: Cross multiply
    145,044.68x = 217,562.46 × 39,862.74
  4. Step 4: Simplify right side
    145,044.68x = 8,672,634,960.88
  5. Step 5: Solve for x
    x = 8,672,634,960.88/145,044.68
  6. Step 6: Final answer
    x = 59,792.85

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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.