Home / 203,343.60-280,614.20-112,705.41

Finding the Fourth Proportional to 203,343.60, 280,614.20 and 112,705.41

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Solution

The fourth proportional to 203,343.60, 280,614.20 and 112,705.41 is: 155,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,343.60 : 280,614.20 = 112,705.41 : x
  2. Step 2: Convert to fraction form
    203,343.60/280,614.20 = 112,705.41/x
  3. Step 3: Cross multiply
    203,343.60x = 280,614.20 × 112,705.41
  4. Step 4: Simplify right side
    203,343.60x = 31,626,737,899.30
  5. Step 5: Solve for x
    x = 31,626,737,899.30/203,343.60
  6. Step 6: Final answer
    x = 155,533.48

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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.