Home / 124,967.18-187,458.06-36,218.72

Finding the Fourth Proportional to 124,967.18, 187,458.06 and 36,218.72

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Solution

The fourth proportional to 124,967.18, 187,458.06 and 36,218.72 is: 54,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,967.18 : 187,458.06 = 36,218.72 : x
  2. Step 2: Convert to fraction form
    124,967.18/187,458.06 = 36,218.72/x
  3. Step 3: Cross multiply
    124,967.18x = 187,458.06 × 36,218.72
  4. Step 4: Simplify right side
    124,967.18x = 6,789,490,986.88
  5. Step 5: Solve for x
    x = 6,789,490,986.88/124,967.18
  6. Step 6: Final answer
    x = 54,330.19

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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.