Home / 203,014.04-280,152.20-112,370.18

Finding the Fourth Proportional to 203,014.04, 280,152.20 and 112,370.18

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Solution

The fourth proportional to 203,014.04, 280,152.20 and 112,370.18 is: 155,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,014.04 : 280,152.20 = 112,370.18 : x
  2. Step 2: Convert to fraction form
    203,014.04/280,152.20 = 112,370.18/x
  3. Step 3: Cross multiply
    203,014.04x = 280,152.20 × 112,370.18
  4. Step 4: Simplify right side
    203,014.04x = 31,480,753,141.40
  5. Step 5: Solve for x
    x = 31,480,753,141.40/203,014.04
  6. Step 6: Final answer
    x = 155,066.88

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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.