Home / 249,677.71-374,552.10-81,143.85

Finding the Fourth Proportional to 249,677.71, 374,552.10 and 81,143.85

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Solution

The fourth proportional to 249,677.71, 374,552.10 and 81,143.85 is: 121,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,677.71 : 374,552.10 = 81,143.85 : x
  2. Step 2: Convert to fraction form
    249,677.71/374,552.10 = 81,143.85/x
  3. Step 3: Cross multiply
    249,677.71x = 374,552.10 × 81,143.85
  4. Step 4: Simplify right side
    249,677.71x = 30,392,599,419.59
  5. Step 5: Solve for x
    x = 30,392,599,419.59/249,677.71
  6. Step 6: Final answer
    x = 121,727.32

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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.