Home / 162,170.28-223,785.39-90,554.79

Finding the Fourth Proportional to 162,170.28, 223,785.39 and 90,554.79

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Solution

The fourth proportional to 162,170.28, 223,785.39 and 90,554.79 is: 124,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,170.28 : 223,785.39 = 90,554.79 : x
  2. Step 2: Convert to fraction form
    162,170.28/223,785.39 = 90,554.79/x
  3. Step 3: Cross multiply
    162,170.28x = 223,785.39 × 90,554.79
  4. Step 4: Simplify right side
    162,170.28x = 20,264,838,996.52
  5. Step 5: Solve for x
    x = 20,264,838,996.52/162,170.28
  6. Step 6: Final answer
    x = 124,960.25

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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.