Home / 161,661.12-223,184.88-108,036.96

Finding the Fourth Proportional to 161,661.12, 223,184.88 and 108,036.96

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Solution

The fourth proportional to 161,661.12, 223,184.88 and 108,036.96 is: 149,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,661.12 : 223,184.88 = 108,036.96 : x
  2. Step 2: Convert to fraction form
    161,661.12/223,184.88 = 108,036.96/x
  3. Step 3: Cross multiply
    161,661.12x = 223,184.88 × 108,036.96
  4. Step 4: Simplify right side
    161,661.12x = 24,112,215,953.16
  5. Step 5: Solve for x
    x = 24,112,215,953.16/161,661.12
  6. Step 6: Final answer
    x = 149,152.84

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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.