Home / 156,031.70-234,047.55-146,190.20

Finding the Fourth Proportional to 156,031.70, 234,047.55 and 146,190.20

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Solution

The fourth proportional to 156,031.70, 234,047.55 and 146,190.20 is: 219,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,031.70 : 234,047.55 = 146,190.20 : x
  2. Step 2: Convert to fraction form
    156,031.70/234,047.55 = 146,190.20/x
  3. Step 3: Cross multiply
    156,031.70x = 234,047.55 × 146,190.20
  4. Step 4: Simplify right side
    156,031.70x = 34,215,458,144.01
  5. Step 5: Solve for x
    x = 34,215,458,144.01/156,031.70
  6. Step 6: Final answer
    x = 219,285.30

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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.