Home / 88,353.26-122,001.08-81,942.51

Finding the Fourth Proportional to 88,353.26, 122,001.08 and 81,942.51

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Solution

The fourth proportional to 88,353.26, 122,001.08 and 81,942.51 is: 113,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,353.26 : 122,001.08 = 81,942.51 : x
  2. Step 2: Convert to fraction form
    88,353.26/122,001.08 = 81,942.51/x
  3. Step 3: Cross multiply
    88,353.26x = 122,001.08 × 81,942.51
  4. Step 4: Simplify right side
    88,353.26x = 9,997,074,765.70
  5. Step 5: Solve for x
    x = 9,997,074,765.70/88,353.26
  6. Step 6: Final answer
    x = 113,148.91

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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.