Home / 96,997.48-145,520.45-77,082.28

Finding the Fourth Proportional to 96,997.48, 145,520.45 and 77,082.28

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Solution

The fourth proportional to 96,997.48, 145,520.45 and 77,082.28 is: 115,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,997.48 : 145,520.45 = 77,082.28 : x
  2. Step 2: Convert to fraction form
    96,997.48/145,520.45 = 77,082.28/x
  3. Step 3: Cross multiply
    96,997.48x = 145,520.45 × 77,082.28
  4. Step 4: Simplify right side
    96,997.48x = 11,217,048,072.63
  5. Step 5: Solve for x
    x = 11,217,048,072.63/96,997.48
  6. Step 6: Final answer
    x = 115,642.68

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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.