Home / 249,922.88-374,845.81-81,442.79

Finding the Fourth Proportional to 249,922.88, 374,845.81 and 81,442.79

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Solution

The fourth proportional to 249,922.88, 374,845.81 and 81,442.79 is: 122,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,922.88 : 374,845.81 = 81,442.79 : x
  2. Step 2: Convert to fraction form
    249,922.88/374,845.81 = 81,442.79/x
  3. Step 3: Cross multiply
    249,922.88x = 374,845.81 × 81,442.79
  4. Step 4: Simplify right side
    249,922.88x = 30,528,488,586.21
  5. Step 5: Solve for x
    x = 30,528,488,586.21/249,922.88
  6. Step 6: Final answer
    x = 122,151.64

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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.