Home / 281,957.04-389,064.72-161,106.15

Finding the Fourth Proportional to 281,957.04, 389,064.72 and 161,106.15

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Solution

The fourth proportional to 281,957.04, 389,064.72 and 161,106.15 is: 222,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,957.04 : 389,064.72 = 161,106.15 : x
  2. Step 2: Convert to fraction form
    281,957.04/389,064.72 = 161,106.15/x
  3. Step 3: Cross multiply
    281,957.04x = 389,064.72 × 161,106.15
  4. Step 4: Simplify right side
    281,957.04x = 62,680,719,140.03
  5. Step 5: Solve for x
    x = 62,680,719,140.03/281,957.04
  6. Step 6: Final answer
    x = 222,305.92

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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.