Home / 159,176.27-219,659.65-87,554.79

Finding the Fourth Proportional to 159,176.27, 219,659.65 and 87,554.79

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Solution

The fourth proportional to 159,176.27, 219,659.65 and 87,554.79 is: 120,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,176.27 : 219,659.65 = 87,554.79 : x
  2. Step 2: Convert to fraction form
    159,176.27/219,659.65 = 87,554.79/x
  3. Step 3: Cross multiply
    159,176.27x = 219,659.65 × 87,554.79
  4. Step 4: Simplify right side
    159,176.27x = 19,232,254,308.34
  5. Step 5: Solve for x
    x = 19,232,254,308.34/159,176.27
  6. Step 6: Final answer
    x = 120,823.63

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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.