Home / 131,440.60-197,160.90-130,058.20

Finding the Fourth Proportional to 131,440.60, 197,160.90 and 130,058.20

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Solution

The fourth proportional to 131,440.60, 197,160.90 and 130,058.20 is: 195,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,440.60 : 197,160.90 = 130,058.20 : x
  2. Step 2: Convert to fraction form
    131,440.60/197,160.90 = 130,058.20/x
  3. Step 3: Cross multiply
    131,440.60x = 197,160.90 × 130,058.20
  4. Step 4: Simplify right side
    131,440.60x = 25,642,391,764.38
  5. Step 5: Solve for x
    x = 25,642,391,764.38/131,440.60
  6. Step 6: Final answer
    x = 195,087.30

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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.