Home / 131,349.20-197,169.60-101,897.60

Finding the Fourth Proportional to 131,349.20, 197,169.60 and 101,897.60

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Solution

The fourth proportional to 131,349.20, 197,169.60 and 101,897.60 is: 152,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,349.20 : 197,169.60 = 101,897.60 : x
  2. Step 2: Convert to fraction form
    131,349.20/197,169.60 = 101,897.60/x
  3. Step 3: Cross multiply
    131,349.20x = 197,169.60 × 101,897.60
  4. Step 4: Simplify right side
    131,349.20x = 20,091,109,032.96
  5. Step 5: Solve for x
    x = 20,091,109,032.96/131,349.20
  6. Step 6: Final answer
    x = 152,959.51

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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.