Home / 97,710.25-134,840.19-55,267.87

Finding the Fourth Proportional to 97,710.25, 134,840.19 and 55,267.87

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Solution

The fourth proportional to 97,710.25, 134,840.19 and 55,267.87 is: 76,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,710.25 : 134,840.19 = 55,267.87 : x
  2. Step 2: Convert to fraction form
    97,710.25/134,840.19 = 55,267.87/x
  3. Step 3: Cross multiply
    97,710.25x = 134,840.19 × 55,267.87
  4. Step 4: Simplify right side
    97,710.25x = 7,452,330,091.70
  5. Step 5: Solve for x
    x = 7,452,330,091.70/97,710.25
  6. Step 6: Final answer
    x = 76,269.69

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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.