Home / 147,967.70-221,951.61-137,338.88

Finding the Fourth Proportional to 147,967.70, 221,951.61 and 137,338.88

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Solution

The fourth proportional to 147,967.70, 221,951.61 and 137,338.88 is: 206,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,967.70 : 221,951.61 = 137,338.88 : x
  2. Step 2: Convert to fraction form
    147,967.70/221,951.61 = 137,338.88/x
  3. Step 3: Cross multiply
    147,967.70x = 221,951.61 × 137,338.88
  4. Step 4: Simplify right side
    147,967.70x = 30,482,584,421.84
  5. Step 5: Solve for x
    x = 30,482,584,421.84/147,967.70
  6. Step 6: Final answer
    x = 206,008.38

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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.