Home / 155,423.70-233,135.55-55,587.15

Finding the Fourth Proportional to 155,423.70, 233,135.55 and 55,587.15

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Solution

The fourth proportional to 155,423.70, 233,135.55 and 55,587.15 is: 83,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423.70 : 233,135.55 = 55,587.15 : x
  2. Step 2: Convert to fraction form
    155,423.70/233,135.55 = 55,587.15/x
  3. Step 3: Cross multiply
    155,423.70x = 233,135.55 × 55,587.15
  4. Step 4: Simplify right side
    155,423.70x = 12,959,340,788.18
  5. Step 5: Solve for x
    x = 12,959,340,788.18/155,423.70
  6. Step 6: Final answer
    x = 83,380.73

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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.