Home / 249,608.04-374,375.34-81,143.70

Finding the Fourth Proportional to 249,608.04, 374,375.34 and 81,143.70

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Solution

The fourth proportional to 249,608.04, 374,375.34 and 81,143.70 is: 121,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,608.04 : 374,375.34 = 81,143.70 : x
  2. Step 2: Convert to fraction form
    249,608.04/374,375.34 = 81,143.70/x
  3. Step 3: Cross multiply
    249,608.04x = 374,375.34 × 81,143.70
  4. Step 4: Simplify right side
    249,608.04x = 30,378,200,276.36
  5. Step 5: Solve for x
    x = 30,378,200,276.36/249,608.04
  6. Step 6: Final answer
    x = 121,703.61

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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.