Home / 215,247.15-297,041.22-119,753.91

Finding the Fourth Proportional to 215,247.15, 297,041.22 and 119,753.91

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Solution

The fourth proportional to 215,247.15, 297,041.22 and 119,753.91 is: 165,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,247.15 : 297,041.22 = 119,753.91 : x
  2. Step 2: Convert to fraction form
    215,247.15/297,041.22 = 119,753.91/x
  3. Step 3: Cross multiply
    215,247.15x = 297,041.22 × 119,753.91
  4. Step 4: Simplify right side
    215,247.15x = 35,571,847,526.17
  5. Step 5: Solve for x
    x = 35,571,847,526.17/215,247.15
  6. Step 6: Final answer
    x = 165,260.48

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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.