Home / 136,289.30-204,475.82-69,776.13

Finding the Fourth Proportional to 136,289.30, 204,475.82 and 69,776.13

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Solution

The fourth proportional to 136,289.30, 204,475.82 and 69,776.13 is: 104,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.30 : 204,475.82 = 69,776.13 : x
  2. Step 2: Convert to fraction form
    136,289.30/204,475.82 = 69,776.13/x
  3. Step 3: Cross multiply
    136,289.30x = 204,475.82 × 69,776.13
  4. Step 4: Simplify right side
    136,289.30x = 14,267,531,398.18
  5. Step 5: Solve for x
    x = 14,267,531,398.18/136,289.30
  6. Step 6: Final answer
    x = 104,685.63

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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.