Home / 187,666.26-281,501.22-47,424.89

Finding the Fourth Proportional to 187,666.26, 281,501.22 and 47,424.89

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Solution

The fourth proportional to 187,666.26, 281,501.22 and 47,424.89 is: 71,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,666.26 : 281,501.22 = 47,424.89 : x
  2. Step 2: Convert to fraction form
    187,666.26/281,501.22 = 47,424.89/x
  3. Step 3: Cross multiply
    187,666.26x = 281,501.22 × 47,424.89
  4. Step 4: Simplify right side
    187,666.26x = 13,350,162,985.86
  5. Step 5: Solve for x
    x = 13,350,162,985.86/187,666.26
  6. Step 6: Final answer
    x = 71,137.79

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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.