Home / 159,575.39-220,210.14-87,953.84

Finding the Fourth Proportional to 159,575.39, 220,210.14 and 87,953.84

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Solution

The fourth proportional to 159,575.39, 220,210.14 and 87,953.84 is: 121,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,575.39 : 220,210.14 = 87,953.84 : x
  2. Step 2: Convert to fraction form
    159,575.39/220,210.14 = 87,953.84/x
  3. Step 3: Cross multiply
    159,575.39x = 220,210.14 × 87,953.84
  4. Step 4: Simplify right side
    159,575.39x = 19,368,327,419.94
  5. Step 5: Solve for x
    x = 19,368,327,419.94/159,575.39
  6. Step 6: Final answer
    x = 121,374.15

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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.