Home / 155,943.20-233,569.20-120,768.80

Finding the Fourth Proportional to 155,943.20, 233,569.20 and 120,768.80

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Solution

The fourth proportional to 155,943.20, 233,569.20 and 120,768.80 is: 180,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,943.20 : 233,569.20 = 120,768.80 : x
  2. Step 2: Convert to fraction form
    155,943.20/233,569.20 = 120,768.80/x
  3. Step 3: Cross multiply
    155,943.20x = 233,569.20 × 120,768.80
  4. Step 4: Simplify right side
    155,943.20x = 28,207,872,000.96
  5. Step 5: Solve for x
    x = 28,207,872,000.96/155,943.20
  6. Step 6: Final answer
    x = 180,885.55

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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.