Home / 131,316.30-197,035.97-64,720.13

Finding the Fourth Proportional to 131,316.30, 197,035.97 and 64,720.13

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Solution

The fourth proportional to 131,316.30, 197,035.97 and 64,720.13 is: 97,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316.30 : 197,035.97 = 64,720.13 : x
  2. Step 2: Convert to fraction form
    131,316.30/197,035.97 = 64,720.13/x
  3. Step 3: Cross multiply
    131,316.30x = 197,035.97 × 64,720.13
  4. Step 4: Simplify right side
    131,316.30x = 12,752,193,593.08
  5. Step 5: Solve for x
    x = 12,752,193,593.08/131,316.30
  6. Step 6: Final answer
    x = 97,110.52

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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.