Home / 187,775.89-281,708.15-61,415.66

Finding the Fourth Proportional to 187,775.89, 281,708.15 and 61,415.66

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Solution

The fourth proportional to 187,775.89, 281,708.15 and 61,415.66 is: 92,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,775.89 : 281,708.15 = 61,415.66 : x
  2. Step 2: Convert to fraction form
    187,775.89/281,708.15 = 61,415.66/x
  3. Step 3: Cross multiply
    187,775.89x = 281,708.15 × 61,415.66
  4. Step 4: Simplify right side
    187,775.89x = 17,301,291,959.63
  5. Step 5: Solve for x
    x = 17,301,291,959.63/187,775.89
  6. Step 6: Final answer
    x = 92,137.98

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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.