Home / 180,454.50-249,001.15-99,881.83

Finding the Fourth Proportional to 180,454.50, 249,001.15 and 99,881.83

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Solution

The fourth proportional to 180,454.50, 249,001.15 and 99,881.83 is: 137,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,454.50 : 249,001.15 = 99,881.83 : x
  2. Step 2: Convert to fraction form
    180,454.50/249,001.15 = 99,881.83/x
  3. Step 3: Cross multiply
    180,454.50x = 249,001.15 × 99,881.83
  4. Step 4: Simplify right side
    180,454.50x = 24,870,690,595.65
  5. Step 5: Solve for x
    x = 24,870,690,595.65/180,454.50
  6. Step 6: Final answer
    x = 137,822.50

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1.5x scale

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.