Home / 163,072.88-225,065.18-99,447.58

Finding the Fourth Proportional to 163,072.88, 225,065.18 and 99,447.58

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Solution

The fourth proportional to 163,072.88, 225,065.18 and 99,447.58 is: 137,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,072.88 : 225,065.18 = 99,447.58 : x
  2. Step 2: Convert to fraction form
    163,072.88/225,065.18 = 99,447.58/x
  3. Step 3: Cross multiply
    163,072.88x = 225,065.18 × 99,447.58
  4. Step 4: Simplify right side
    163,072.88x = 22,382,186,433.36
  5. Step 5: Solve for x
    x = 22,382,186,433.36/163,072.88
  6. Step 6: Final answer
    x = 137,252.66

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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.