Home / 124,436.25-186,841.29-71,188.34

Finding the Fourth Proportional to 124,436.25, 186,841.29 and 71,188.34

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Solution

The fourth proportional to 124,436.25, 186,841.29 and 71,188.34 is: 106,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,436.25 : 186,841.29 = 71,188.34 : x
  2. Step 2: Convert to fraction form
    124,436.25/186,841.29 = 71,188.34/x
  3. Step 3: Cross multiply
    124,436.25x = 186,841.29 × 71,188.34
  4. Step 4: Simplify right side
    124,436.25x = 13,300,920,344.35
  5. Step 5: Solve for x
    x = 13,300,920,344.35/124,436.25
  6. Step 6: Final answer
    x = 106,889.43

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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.