Home / 124,719.67-187,125.98-74,835.57

Finding the Fourth Proportional to 124,719.67, 187,125.98 and 74,835.57

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Solution

The fourth proportional to 124,719.67, 187,125.98 and 74,835.57 is: 112,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,719.67 : 187,125.98 = 74,835.57 : x
  2. Step 2: Convert to fraction form
    124,719.67/187,125.98 = 74,835.57/x
  3. Step 3: Cross multiply
    124,719.67x = 187,125.98 × 74,835.57
  4. Step 4: Simplify right side
    124,719.67x = 14,003,679,375.11
  5. Step 5: Solve for x
    x = 14,003,679,375.11/124,719.67
  6. Step 6: Final answer
    x = 112,281.24

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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.