Home / 109,740.92-151,454.75-61,997.34

Finding the Fourth Proportional to 109,740.92, 151,454.75 and 61,997.34

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Solution

The fourth proportional to 109,740.92, 151,454.75 and 61,997.34 is: 85,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,740.92 : 151,454.75 = 61,997.34 : x
  2. Step 2: Convert to fraction form
    109,740.92/151,454.75 = 61,997.34/x
  3. Step 3: Cross multiply
    109,740.92x = 151,454.75 × 61,997.34
  4. Step 4: Simplify right side
    109,740.92x = 9,389,791,320.38
  5. Step 5: Solve for x
    x = 9,389,791,320.38/109,740.92
  6. Step 6: Final answer
    x = 85,563.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.