Home / 163,155.06-225,156.11-122,246.55

Finding the Fourth Proportional to 163,155.06, 225,156.11 and 122,246.55

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Solution

The fourth proportional to 163,155.06, 225,156.11 and 122,246.55 is: 168,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,155.06 : 225,156.11 = 122,246.55 : x
  2. Step 2: Convert to fraction form
    163,155.06/225,156.11 = 122,246.55/x
  3. Step 3: Cross multiply
    163,155.06x = 225,156.11 × 122,246.55
  4. Step 4: Simplify right side
    163,155.06x = 27,524,557,047.69
  5. Step 5: Solve for x
    x = 27,524,557,047.69/163,155.06
  6. Step 6: Final answer
    x = 168,701.83

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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.