Home / 253,500.72-349,826.76-140,321.04

Finding the Fourth Proportional to 253,500.72, 349,826.76 and 140,321.04

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Solution

The fourth proportional to 253,500.72, 349,826.76 and 140,321.04 is: 193,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,500.72 : 349,826.76 = 140,321.04 : x
  2. Step 2: Convert to fraction form
    253,500.72/349,826.76 = 140,321.04/x
  3. Step 3: Cross multiply
    253,500.72x = 349,826.76 × 140,321.04
  4. Step 4: Simplify right side
    253,500.72x = 49,088,054,783.03
  5. Step 5: Solve for x
    x = 49,088,054,783.03/253,500.72
  6. Step 6: Final answer
    x = 193,640.69

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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.