Home / 98,754.27-136,279.93-53,431.26

Finding the Fourth Proportional to 98,754.27, 136,279.93 and 53,431.26

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Solution

The fourth proportional to 98,754.27, 136,279.93 and 53,431.26 is: 73,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,754.27 : 136,279.93 = 53,431.26 : x
  2. Step 2: Convert to fraction form
    98,754.27/136,279.93 = 53,431.26/x
  3. Step 3: Cross multiply
    98,754.27x = 136,279.93 × 53,431.26
  4. Step 4: Simplify right side
    98,754.27x = 7,281,608,372.61
  5. Step 5: Solve for x
    x = 7,281,608,372.61/98,754.27
  6. Step 6: Final answer
    x = 73,734.62

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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.