Home / 158,731.61-219,035.13-94,189.71

Finding the Fourth Proportional to 158,731.61, 219,035.13 and 94,189.71

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Solution

The fourth proportional to 158,731.61, 219,035.13 and 94,189.71 is: 129,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,731.61 : 219,035.13 = 94,189.71 : x
  2. Step 2: Convert to fraction form
    158,731.61/219,035.13 = 94,189.71/x
  3. Step 3: Cross multiply
    158,731.61x = 219,035.13 × 94,189.71
  4. Step 4: Simplify right side
    158,731.61x = 20,630,854,514.81
  5. Step 5: Solve for x
    x = 20,630,854,514.81/158,731.61
  6. Step 6: Final answer
    x = 129,973.20

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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.