Home / 142,596.79-196,833.11-88,190.60

Finding the Fourth Proportional to 142,596.79, 196,833.11 and 88,190.60

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Solution

The fourth proportional to 142,596.79, 196,833.11 and 88,190.60 is: 121,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,596.79 : 196,833.11 = 88,190.60 : x
  2. Step 2: Convert to fraction form
    142,596.79/196,833.11 = 88,190.60/x
  3. Step 3: Cross multiply
    142,596.79x = 196,833.11 × 88,190.60
  4. Step 4: Simplify right side
    142,596.79x = 17,358,828,645.65
  5. Step 5: Solve for x
    x = 17,358,828,645.65/142,596.79
  6. Step 6: Final answer
    x = 121,733.66

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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.