Home / 163,350.10-225,447.54-99,724.84

Finding the Fourth Proportional to 163,350.10, 225,447.54 and 99,724.84

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Solution

The fourth proportional to 163,350.10, 225,447.54 and 99,724.84 is: 137,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,350.10 : 225,447.54 = 99,724.84 : x
  2. Step 2: Convert to fraction form
    163,350.10/225,447.54 = 99,724.84/x
  3. Step 3: Cross multiply
    163,350.10x = 225,447.54 × 99,724.84
  4. Step 4: Simplify right side
    163,350.10x = 22,482,719,854.89
  5. Step 5: Solve for x
    x = 22,482,719,854.89/163,350.10
  6. Step 6: Final answer
    x = 137,635.18

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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.