Home / 97,198.48-134,131.80-54,756.28

Finding the Fourth Proportional to 97,198.48, 134,131.80 and 54,756.28

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Solution

The fourth proportional to 97,198.48, 134,131.80 and 54,756.28 is: 75,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,198.48 : 134,131.80 = 54,756.28 : x
  2. Step 2: Convert to fraction form
    97,198.48/134,131.80 = 54,756.28/x
  3. Step 3: Cross multiply
    97,198.48x = 134,131.80 × 54,756.28
  4. Step 4: Simplify right side
    97,198.48x = 7,344,558,397.70
  5. Step 5: Solve for x
    x = 7,344,558,397.70/97,198.48
  6. Step 6: Final answer
    x = 75,562.48

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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.