Home / 147,634.80-221,423.40-47,770.80

Finding the Fourth Proportional to 147,634.80, 221,423.40 and 47,770.80

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Solution

The fourth proportional to 147,634.80, 221,423.40 and 47,770.80 is: 71,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,634.80 : 221,423.40 = 47,770.80 : x
  2. Step 2: Convert to fraction form
    147,634.80/221,423.40 = 47,770.80/x
  3. Step 3: Cross multiply
    147,634.80x = 221,423.40 × 47,770.80
  4. Step 4: Simplify right side
    147,634.80x = 10,577,572,956.72
  5. Step 5: Solve for x
    x = 10,577,572,956.72/147,634.80
  6. Step 6: Final answer
    x = 71,646.88

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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.