Home / 187,814.16-281,731.50-47,574

Finding the Fourth Proportional to 187,814.16, 281,731.50 and 47,574

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Solution

The fourth proportional to 187,814.16, 281,731.50 and 47,574 is: 71,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,814.16 : 281,731.50 = 47,574 : x
  2. Step 2: Convert to fraction form
    187,814.16/281,731.50 = 47,574/x
  3. Step 3: Cross multiply
    187,814.16x = 281,731.50 × 47,574
  4. Step 4: Simplify right side
    187,814.16x = 13,403,094,381
  5. Step 5: Solve for x
    x = 13,403,094,381/187,814.16
  6. Step 6: Final answer
    x = 71,363.60

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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.