Home / 142,760.17-197,026.53-82,330.80

Finding the Fourth Proportional to 142,760.17, 197,026.53 and 82,330.80

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Solution

The fourth proportional to 142,760.17, 197,026.53 and 82,330.80 is: 113,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,760.17 : 197,026.53 = 82,330.80 : x
  2. Step 2: Convert to fraction form
    142,760.17/197,026.53 = 82,330.80/x
  3. Step 3: Cross multiply
    142,760.17x = 197,026.53 × 82,330.80
  4. Step 4: Simplify right side
    142,760.17x = 16,221,350,788.53
  5. Step 5: Solve for x
    x = 16,221,350,788.53/142,760.17
  6. Step 6: Final answer
    x = 113,626.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.