Home / 162,248.77-223,881.06-90,619.66

Finding the Fourth Proportional to 162,248.77, 223,881.06 and 90,619.66

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Solution

The fourth proportional to 162,248.77, 223,881.06 and 90,619.66 is: 125,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,248.77 : 223,881.06 = 90,619.66 : x
  2. Step 2: Convert to fraction form
    162,248.77/223,881.06 = 90,619.66/x
  3. Step 3: Cross multiply
    162,248.77x = 223,881.06 × 90,619.66
  4. Step 4: Simplify right side
    162,248.77x = 20,288,025,537.64
  5. Step 5: Solve for x
    x = 20,288,025,537.64/162,248.77
  6. Step 6: Final answer
    x = 125,042.71

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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.