Home / 249,153.12-373,789.22-80,673.65

Finding the Fourth Proportional to 249,153.12, 373,789.22 and 80,673.65

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Solution

The fourth proportional to 249,153.12, 373,789.22 and 80,673.65 is: 121,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,153.12 : 373,789.22 = 80,673.65 : x
  2. Step 2: Convert to fraction form
    249,153.12/373,789.22 = 80,673.65/x
  3. Step 3: Cross multiply
    249,153.12x = 373,789.22 × 80,673.65
  4. Step 4: Simplify right side
    249,153.12x = 30,154,940,442.50
  5. Step 5: Solve for x
    x = 30,154,940,442.50/249,153.12
  6. Step 6: Final answer
    x = 121,029.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.