Home / 109,281.18-150,822.39-61,543.86

Finding the Fourth Proportional to 109,281.18, 150,822.39 and 61,543.86

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Solution

The fourth proportional to 109,281.18, 150,822.39 and 61,543.86 is: 84,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,281.18 : 150,822.39 = 61,543.86 : x
  2. Step 2: Convert to fraction form
    109,281.18/150,822.39 = 61,543.86/x
  3. Step 3: Cross multiply
    109,281.18x = 150,822.39 × 61,543.86
  4. Step 4: Simplify right side
    109,281.18x = 9,282,192,055.03
  5. Step 5: Solve for x
    x = 9,282,192,055.03/109,281.18
  6. Step 6: Final answer
    x = 84,938.61

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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.