Home / 123,752.74-170,778.86-67,164.12

Finding the Fourth Proportional to 123,752.74, 170,778.86 and 67,164.12

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Solution

The fourth proportional to 123,752.74, 170,778.86 and 67,164.12 is: 92,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,752.74 : 170,778.86 = 67,164.12 : x
  2. Step 2: Convert to fraction form
    123,752.74/170,778.86 = 67,164.12/x
  3. Step 3: Cross multiply
    123,752.74x = 170,778.86 × 67,164.12
  4. Step 4: Simplify right side
    123,752.74x = 11,470,211,846.50
  5. Step 5: Solve for x
    x = 11,470,211,846.50/123,752.74
  6. Step 6: Final answer
    x = 92,686.53

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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.