Home / 122,752.14-169,406.82-75,014.61

Finding the Fourth Proportional to 122,752.14, 169,406.82 and 75,014.61

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Solution

The fourth proportional to 122,752.14, 169,406.82 and 75,014.61 is: 103,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,752.14 : 169,406.82 = 75,014.61 : x
  2. Step 2: Convert to fraction form
    122,752.14/169,406.82 = 75,014.61/x
  3. Step 3: Cross multiply
    122,752.14x = 169,406.82 × 75,014.61
  4. Step 4: Simplify right side
    122,752.14x = 12,707,986,533.64
  5. Step 5: Solve for x
    x = 12,707,986,533.64/122,752.14
  6. Step 6: Final answer
    x = 103,525.58

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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.