Home / 126,113.81-188,375.08-106,184.77

Finding the Fourth Proportional to 126,113.81, 188,375.08 and 106,184.77

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Solution

The fourth proportional to 126,113.81, 188,375.08 and 106,184.77 is: 158,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.81 : 188,375.08 = 106,184.77 : x
  2. Step 2: Convert to fraction form
    126,113.81/188,375.08 = 106,184.77/x
  3. Step 3: Cross multiply
    126,113.81x = 188,375.08 × 106,184.77
  4. Step 4: Simplify right side
    126,113.81x = 20,002,565,215.16
  5. Step 5: Solve for x
    x = 20,002,565,215.16/126,113.81
  6. Step 6: Final answer
    x = 158,607.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.