Home / 97,548.18-134,616.78-55,105.80

Finding the Fourth Proportional to 97,548.18, 134,616.78 and 55,105.80

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Solution

The fourth proportional to 97,548.18, 134,616.78 and 55,105.80 is: 76,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,548.18 : 134,616.78 = 55,105.80 : x
  2. Step 2: Convert to fraction form
    97,548.18/134,616.78 = 55,105.80/x
  3. Step 3: Cross multiply
    97,548.18x = 134,616.78 × 55,105.80
  4. Step 4: Simplify right side
    97,548.18x = 7,418,165,355.32
  5. Step 5: Solve for x
    x = 7,418,165,355.32/97,548.18
  6. Step 6: Final answer
    x = 76,046.17

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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.