Home / 158,823.93-219,177.45-87,208.59

Finding the Fourth Proportional to 158,823.93, 219,177.45 and 87,208.59

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Solution

The fourth proportional to 158,823.93, 219,177.45 and 87,208.59 is: 120,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,823.93 : 219,177.45 = 87,208.59 : x
  2. Step 2: Convert to fraction form
    158,823.93/219,177.45 = 87,208.59/x
  3. Step 3: Cross multiply
    158,823.93x = 219,177.45 × 87,208.59
  4. Step 4: Simplify right side
    158,823.93x = 19,114,156,374.30
  5. Step 5: Solve for x
    x = 19,114,156,374.30/158,823.93
  6. Step 6: Final answer
    x = 120,348.09

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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.