Home / 162,785.60-243,968.16-131,210.24

Finding the Fourth Proportional to 162,785.60, 243,968.16 and 131,210.24

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Solution

The fourth proportional to 162,785.60, 243,968.16 and 131,210.24 is: 196,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,785.60 : 243,968.16 = 131,210.24 : x
  2. Step 2: Convert to fraction form
    162,785.60/243,968.16 = 131,210.24/x
  3. Step 3: Cross multiply
    162,785.60x = 243,968.16 × 131,210.24
  4. Step 4: Simplify right side
    162,785.60x = 32,011,120,825.96
  5. Step 5: Solve for x
    x = 32,011,120,825.96/162,785.60
  6. Step 6: Final answer
    x = 196,645.90

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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.