Home / 136,334.27-204,543.09-69,821.46

Finding the Fourth Proportional to 136,334.27, 204,543.09 and 69,821.46

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Solution

The fourth proportional to 136,334.27, 204,543.09 and 69,821.46 is: 104,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,334.27 : 204,543.09 = 69,821.46 : x
  2. Step 2: Convert to fraction form
    136,334.27/204,543.09 = 69,821.46/x
  3. Step 3: Cross multiply
    136,334.27x = 204,543.09 × 69,821.46
  4. Step 4: Simplify right side
    136,334.27x = 14,281,497,176.71
  5. Step 5: Solve for x
    x = 14,281,497,176.71/136,334.27
  6. Step 6: Final answer
    x = 104,753.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.