Home / 97,837.26-135,287.19-77,659.11

Finding the Fourth Proportional to 97,837.26, 135,287.19 and 77,659.11

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Solution

The fourth proportional to 97,837.26, 135,287.19 and 77,659.11 is: 107,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,837.26 : 135,287.19 = 77,659.11 : x
  2. Step 2: Convert to fraction form
    97,837.26/135,287.19 = 77,659.11/x
  3. Step 3: Cross multiply
    97,837.26x = 135,287.19 × 77,659.11
  4. Step 4: Simplify right side
    97,837.26x = 10,506,282,093.37
  5. Step 5: Solve for x
    x = 10,506,282,093.37/97,837.26
  6. Step 6: Final answer
    x = 107,385.29

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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.