Home / 155,056.12-232,585.08-55,220.20

Finding the Fourth Proportional to 155,056.12, 232,585.08 and 55,220.20

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Solution

The fourth proportional to 155,056.12, 232,585.08 and 55,220.20 is: 82,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,056.12 : 232,585.08 = 55,220.20 : x
  2. Step 2: Convert to fraction form
    155,056.12/232,585.08 = 55,220.20/x
  3. Step 3: Cross multiply
    155,056.12x = 232,585.08 × 55,220.20
  4. Step 4: Simplify right side
    155,056.12x = 12,843,394,634.62
  5. Step 5: Solve for x
    x = 12,843,394,634.62/155,056.12
  6. Step 6: Final answer
    x = 82,830.62

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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.