Home / 187,557.14-281,199.63-87,661.46

Finding the Fourth Proportional to 187,557.14, 281,199.63 and 87,661.46

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Solution

The fourth proportional to 187,557.14, 281,199.63 and 87,661.46 is: 131,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,557.14 : 281,199.63 = 87,661.46 : x
  2. Step 2: Convert to fraction form
    187,557.14/281,199.63 = 87,661.46/x
  3. Step 3: Cross multiply
    187,557.14x = 281,199.63 × 87,661.46
  4. Step 4: Simplify right side
    187,557.14x = 24,650,370,117.26
  5. Step 5: Solve for x
    x = 24,650,370,117.26/187,557.14
  6. Step 6: Final answer
    x = 131,428.59

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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.