Home / 187,729.80-281,595.68-47,488.56

Finding the Fourth Proportional to 187,729.80, 281,595.68 and 47,488.56

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Solution

The fourth proportional to 187,729.80, 281,595.68 and 47,488.56 is: 71,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,729.80 : 281,595.68 = 47,488.56 : x
  2. Step 2: Convert to fraction form
    187,729.80/281,595.68 = 47,488.56/x
  3. Step 3: Cross multiply
    187,729.80x = 281,595.68 × 47,488.56
  4. Step 4: Simplify right side
    187,729.80x = 13,372,573,345.42
  5. Step 5: Solve for x
    x = 13,372,573,345.42/187,729.80
  6. Step 6: Final answer
    x = 71,233.09

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1.5x scale

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.