Home / 163,073.12-225,065.50-99,447.82

Finding the Fourth Proportional to 163,073.12, 225,065.50 and 99,447.82

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Solution

The fourth proportional to 163,073.12, 225,065.50 and 99,447.82 is: 137,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,073.12 : 225,065.50 = 99,447.82 : x
  2. Step 2: Convert to fraction form
    163,073.12/225,065.50 = 99,447.82/x
  3. Step 3: Cross multiply
    163,073.12x = 225,065.50 × 99,447.82
  4. Step 4: Simplify right side
    163,073.12x = 22,382,272,520.93
  5. Step 5: Solve for x
    x = 22,382,272,520.93/163,073.12
  6. Step 6: Final answer
    x = 137,252.99

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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.