Home / 203,117.96-280,280.08-112,451.24

Finding the Fourth Proportional to 203,117.96, 280,280.08 and 112,451.24

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Solution

The fourth proportional to 203,117.96, 280,280.08 and 112,451.24 is: 155,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,117.96 : 280,280.08 = 112,451.24 : x
  2. Step 2: Convert to fraction form
    203,117.96/280,280.08 = 112,451.24/x
  3. Step 3: Cross multiply
    203,117.96x = 280,280.08 × 112,451.24
  4. Step 4: Simplify right side
    203,117.96x = 31,517,842,543.30
  5. Step 5: Solve for x
    x = 31,517,842,543.30/203,117.96
  6. Step 6: Final answer
    x = 155,170.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.