Home / 97,788.20-146,730.90-38,625.80

Finding the Fourth Proportional to 97,788.20, 146,730.90 and 38,625.80

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Solution

The fourth proportional to 97,788.20, 146,730.90 and 38,625.80 is: 57,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,788.20 : 146,730.90 = 38,625.80 : x
  2. Step 2: Convert to fraction form
    97,788.20/146,730.90 = 38,625.80/x
  3. Step 3: Cross multiply
    97,788.20x = 146,730.90 × 38,625.80
  4. Step 4: Simplify right side
    97,788.20x = 5,667,598,397.22
  5. Step 5: Solve for x
    x = 5,667,598,397.22/97,788.20
  6. Step 6: Final answer
    x = 57,957.90

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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.