Home / 187,598.31-281,295.40-67,638.93

Finding the Fourth Proportional to 187,598.31, 281,295.40 and 67,638.93

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Solution

The fourth proportional to 187,598.31, 281,295.40 and 67,638.93 is: 101,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,598.31 : 281,295.40 = 67,638.93 : x
  2. Step 2: Convert to fraction form
    187,598.31/281,295.40 = 67,638.93/x
  3. Step 3: Cross multiply
    187,598.31x = 281,295.40 × 67,638.93
  4. Step 4: Simplify right side
    187,598.31x = 19,026,519,869.92
  5. Step 5: Solve for x
    x = 19,026,519,869.92/187,598.31
  6. Step 6: Final answer
    x = 101,421.60

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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.