Home / 249,760.73-374,640.21-89,836.40

Finding the Fourth Proportional to 249,760.73, 374,640.21 and 89,836.40

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Solution

The fourth proportional to 249,760.73, 374,640.21 and 89,836.40 is: 134,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,760.73 : 374,640.21 = 89,836.40 : x
  2. Step 2: Convert to fraction form
    249,760.73/374,640.21 = 89,836.40/x
  3. Step 3: Cross multiply
    249,760.73x = 374,640.21 × 89,836.40
  4. Step 4: Simplify right side
    249,760.73x = 33,656,325,888.44
  5. Step 5: Solve for x
    x = 33,656,325,888.44/249,760.73
  6. Step 6: Final answer
    x = 134,754.28

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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.