Home / 159,346.20-219,901.32-87,727.62

Finding the Fourth Proportional to 159,346.20, 219,901.32 and 87,727.62

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Solution

The fourth proportional to 159,346.20, 219,901.32 and 87,727.62 is: 121,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,346.20 : 219,901.32 = 87,727.62 : x
  2. Step 2: Convert to fraction form
    159,346.20/219,901.32 = 87,727.62/x
  3. Step 3: Cross multiply
    159,346.20x = 219,901.32 × 87,727.62
  4. Step 4: Simplify right side
    159,346.20x = 19,291,419,438.46
  5. Step 5: Solve for x
    x = 19,291,419,438.46/159,346.20
  6. Step 6: Final answer
    x = 121,066.08

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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.