Home / 249,528.25-374,399.60-81,100.19

Finding the Fourth Proportional to 249,528.25, 374,399.60 and 81,100.19

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Solution

The fourth proportional to 249,528.25, 374,399.60 and 81,100.19 is: 121,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,528.25 : 374,399.60 = 81,100.19 : x
  2. Step 2: Convert to fraction form
    249,528.25/374,399.60 = 81,100.19/x
  3. Step 3: Cross multiply
    249,528.25x = 374,399.60 × 81,100.19
  4. Step 4: Simplify right side
    249,528.25x = 30,363,876,418.43
  5. Step 5: Solve for x
    x = 30,363,876,418.43/249,528.25
  6. Step 6: Final answer
    x = 121,685.13

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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.