Home / 131,425.18-197,096.40-42,658.18

Finding the Fourth Proportional to 131,425.18, 197,096.40 and 42,658.18

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Solution

The fourth proportional to 131,425.18, 197,096.40 and 42,658.18 is: 63,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425.18 : 197,096.40 = 42,658.18 : x
  2. Step 2: Convert to fraction form
    131,425.18/197,096.40 = 42,658.18/x
  3. Step 3: Cross multiply
    131,425.18x = 197,096.40 × 42,658.18
  4. Step 4: Simplify right side
    131,425.18x = 8,407,773,708.55
  5. Step 5: Solve for x
    x = 8,407,773,708.55/131,425.18
  6. Step 6: Final answer
    x = 63,973.84

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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.