Home / 162,036.20-223,623.40-89,445.68

Finding the Fourth Proportional to 162,036.20, 223,623.40 and 89,445.68

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Solution

The fourth proportional to 162,036.20, 223,623.40 and 89,445.68 is: 123,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,036.20 : 223,623.40 = 89,445.68 : x
  2. Step 2: Convert to fraction form
    162,036.20/223,623.40 = 89,445.68/x
  3. Step 3: Cross multiply
    162,036.20x = 223,623.40 × 89,445.68
  4. Step 4: Simplify right side
    162,036.20x = 20,002,147,076.91
  5. Step 5: Solve for x
    x = 20,002,147,076.91/162,036.20
  6. Step 6: Final answer
    x = 123,442.46

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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.