Home / 136,030.20-204,045.30-115,909.80

Finding the Fourth Proportional to 136,030.20, 204,045.30 and 115,909.80

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Solution

The fourth proportional to 136,030.20, 204,045.30 and 115,909.80 is: 173,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,030.20 : 204,045.30 = 115,909.80 : x
  2. Step 2: Convert to fraction form
    136,030.20/204,045.30 = 115,909.80/x
  3. Step 3: Cross multiply
    136,030.20x = 204,045.30 × 115,909.80
  4. Step 4: Simplify right side
    136,030.20x = 23,650,849,913.94
  5. Step 5: Solve for x
    x = 23,650,849,913.94/136,030.20
  6. Step 6: Final answer
    x = 173,864.70

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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.