Home / 253,260.06-349,494.57-140,082.72

Finding the Fourth Proportional to 253,260.06, 349,494.57 and 140,082.72

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Solution

The fourth proportional to 253,260.06, 349,494.57 and 140,082.72 is: 193,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,260.06 : 349,494.57 = 140,082.72 : x
  2. Step 2: Convert to fraction form
    253,260.06/349,494.57 = 140,082.72/x
  3. Step 3: Cross multiply
    253,260.06x = 349,494.57 × 140,082.72
  4. Step 4: Simplify right side
    253,260.06x = 48,958,149,990.83
  5. Step 5: Solve for x
    x = 48,958,149,990.83/253,260.06
  6. Step 6: Final answer
    x = 193,311.77

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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.