Home / 124,524.72-171,880.92-86,811.12

Finding the Fourth Proportional to 124,524.72, 171,880.92 and 86,811.12

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Solution

The fourth proportional to 124,524.72, 171,880.92 and 86,811.12 is: 119,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,524.72 : 171,880.92 = 86,811.12 : x
  2. Step 2: Convert to fraction form
    124,524.72/171,880.92 = 86,811.12/x
  3. Step 3: Cross multiply
    124,524.72x = 171,880.92 × 86,811.12
  4. Step 4: Simplify right side
    124,524.72x = 14,921,175,171.83
  5. Step 5: Solve for x
    x = 14,921,175,171.83/124,524.72
  6. Step 6: Final answer
    x = 119,825.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.