Home / 155,221.60-232,832.40-105,325.60

Finding the Fourth Proportional to 155,221.60, 232,832.40 and 105,325.60

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Solution

The fourth proportional to 155,221.60, 232,832.40 and 105,325.60 is: 157,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,221.60 : 232,832.40 = 105,325.60 : x
  2. Step 2: Convert to fraction form
    155,221.60/232,832.40 = 105,325.60/x
  3. Step 3: Cross multiply
    155,221.60x = 232,832.40 × 105,325.60
  4. Step 4: Simplify right side
    155,221.60x = 24,523,212,229.44
  5. Step 5: Solve for x
    x = 24,523,212,229.44/155,221.60
  6. Step 6: Final answer
    x = 157,988.40

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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.