Home / 243,621.60-365,432.40-119,205.60

Finding the Fourth Proportional to 243,621.60, 365,432.40 and 119,205.60

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Solution

The fourth proportional to 243,621.60, 365,432.40 and 119,205.60 is: 178,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,621.60 : 365,432.40 = 119,205.60 : x
  2. Step 2: Convert to fraction form
    243,621.60/365,432.40 = 119,205.60/x
  3. Step 3: Cross multiply
    243,621.60x = 365,432.40 × 119,205.60
  4. Step 4: Simplify right side
    243,621.60x = 43,561,588,501.44
  5. Step 5: Solve for x
    x = 43,561,588,501.44/243,621.60
  6. Step 6: Final answer
    x = 178,808.40

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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.