Home / 107,718.24-148,326.54-101,405.91

Finding the Fourth Proportional to 107,718.24, 148,326.54 and 101,405.91

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Solution

The fourth proportional to 107,718.24, 148,326.54 and 101,405.91 is: 139,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,718.24 : 148,326.54 = 101,405.91 : x
  2. Step 2: Convert to fraction form
    107,718.24/148,326.54 = 101,405.91/x
  3. Step 3: Cross multiply
    107,718.24x = 148,326.54 × 101,405.91
  4. Step 4: Simplify right side
    107,718.24x = 15,041,187,765.85
  5. Step 5: Solve for x
    x = 15,041,187,765.85/107,718.24
  6. Step 6: Final answer
    x = 139,634.55

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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.