Home / 249,677.46-374,551.73-81,143.60

Finding the Fourth Proportional to 249,677.46, 374,551.73 and 81,143.60

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Solution

The fourth proportional to 249,677.46, 374,551.73 and 81,143.60 is: 121,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,677.46 : 374,551.73 = 81,143.60 : x
  2. Step 2: Convert to fraction form
    249,677.46/374,551.73 = 81,143.60/x
  3. Step 3: Cross multiply
    249,677.46x = 374,551.73 × 81,143.60
  4. Step 4: Simplify right side
    249,677.46x = 30,392,473,784.24
  5. Step 5: Solve for x
    x = 30,392,473,784.24/249,677.46
  6. Step 6: Final answer
    x = 121,726.94

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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.