Home / 145,010.90-217,515.95-39,829.97

Finding the Fourth Proportional to 145,010.90, 217,515.95 and 39,829.97

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Solution

The fourth proportional to 145,010.90, 217,515.95 and 39,829.97 is: 59,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,010.90 : 217,515.95 = 39,829.97 : x
  2. Step 2: Convert to fraction form
    145,010.90/217,515.95 = 39,829.97/x
  3. Step 3: Cross multiply
    145,010.90x = 217,515.95 × 39,829.97
  4. Step 4: Simplify right side
    145,010.90x = 8,663,654,257.02
  5. Step 5: Solve for x
    x = 8,663,654,257.02/145,010.90
  6. Step 6: Final answer
    x = 59,744.85

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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.