Home / 180,446.16-249,012.68-99,871.97

Finding the Fourth Proportional to 180,446.16, 249,012.68 and 99,871.97

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Solution

The fourth proportional to 180,446.16, 249,012.68 and 99,871.97 is: 137,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,446.16 : 249,012.68 = 99,871.97 : x
  2. Step 2: Convert to fraction form
    180,446.16/249,012.68 = 99,871.97/x
  3. Step 3: Cross multiply
    180,446.16x = 249,012.68 × 99,871.97
  4. Step 4: Simplify right side
    180,446.16x = 24,869,386,906.58
  5. Step 5: Solve for x
    x = 24,869,386,906.58/180,446.16
  6. Step 6: Final answer
    x = 137,821.65

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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.