Home / 249,630.75-374,446.13-83,418.75

Finding the Fourth Proportional to 249,630.75, 374,446.13 and 83,418.75

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Solution

The fourth proportional to 249,630.75, 374,446.13 and 83,418.75 is: 125,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,630.75 : 374,446.13 = 83,418.75 : x
  2. Step 2: Convert to fraction form
    249,630.75/374,446.13 = 83,418.75/x
  3. Step 3: Cross multiply
    249,630.75x = 374,446.13 × 83,418.75
  4. Step 4: Simplify right side
    249,630.75x = 31,235,827,689.84
  5. Step 5: Solve for x
    x = 31,235,827,689.84/249,630.75
  6. Step 6: Final answer
    x = 125,128.13

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1.5x scale

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.