Home / 249,751.35-374,630.57-81,272.57

Finding the Fourth Proportional to 249,751.35, 374,630.57 and 81,272.57

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Solution

The fourth proportional to 249,751.35, 374,630.57 and 81,272.57 is: 121,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,751.35 : 374,630.57 = 81,272.57 : x
  2. Step 2: Convert to fraction form
    249,751.35/374,630.57 = 81,272.57/x
  3. Step 3: Cross multiply
    249,751.35x = 374,630.57 × 81,272.57
  4. Step 4: Simplify right side
    249,751.35x = 30,447,187,249.72
  5. Step 5: Solve for x
    x = 30,447,187,249.72/249,751.35
  6. Step 6: Final answer
    x = 121,910.00

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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.