Home / 158,194.08-218,304.91-86,572.66

Finding the Fourth Proportional to 158,194.08, 218,304.91 and 86,572.66

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Solution

The fourth proportional to 158,194.08, 218,304.91 and 86,572.66 is: 119,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,194.08 : 218,304.91 = 86,572.66 : x
  2. Step 2: Convert to fraction form
    158,194.08/218,304.91 = 86,572.66/x
  3. Step 3: Cross multiply
    158,194.08x = 218,304.91 × 86,572.66
  4. Step 4: Simplify right side
    158,194.08x = 18,899,236,749.76
  5. Step 5: Solve for x
    x = 18,899,236,749.76/158,194.08
  6. Step 6: Final answer
    x = 119,468.67

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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.