Home / 249,531.50-374,404.48-81,103.43

Finding the Fourth Proportional to 249,531.50, 374,404.48 and 81,103.43

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Solution

The fourth proportional to 249,531.50, 374,404.48 and 81,103.43 is: 121,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,531.50 : 374,404.48 = 81,103.43 : x
  2. Step 2: Convert to fraction form
    249,531.50/374,404.48 = 81,103.43/x
  3. Step 3: Cross multiply
    249,531.50x = 374,404.48 × 81,103.43
  4. Step 4: Simplify right side
    249,531.50x = 30,365,488,268.62
  5. Step 5: Solve for x
    x = 30,365,488,268.62/249,531.50
  6. Step 6: Final answer
    x = 121,690.00

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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.