Home / 203,331.53-280,599.58-112,689.50

Finding the Fourth Proportional to 203,331.53, 280,599.58 and 112,689.50

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Solution

The fourth proportional to 203,331.53, 280,599.58 and 112,689.50 is: 155,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,331.53 : 280,599.58 = 112,689.50 : x
  2. Step 2: Convert to fraction form
    203,331.53/280,599.58 = 112,689.50/x
  3. Step 3: Cross multiply
    203,331.53x = 280,599.58 × 112,689.50
  4. Step 4: Simplify right side
    203,331.53x = 31,620,625,108.27
  5. Step 5: Solve for x
    x = 31,620,625,108.27/203,331.53
  6. Step 6: Final answer
    x = 155,512.65

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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.