Home / 142,718.76-196,952.04-79,055.22

Finding the Fourth Proportional to 142,718.76, 196,952.04 and 79,055.22

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Solution

The fourth proportional to 142,718.76, 196,952.04 and 79,055.22 is: 109,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,718.76 : 196,952.04 = 79,055.22 : x
  2. Step 2: Convert to fraction form
    142,718.76/196,952.04 = 79,055.22/x
  3. Step 3: Cross multiply
    142,718.76x = 196,952.04 × 79,055.22
  4. Step 4: Simplify right side
    142,718.76x = 15,570,086,851.65
  5. Step 5: Solve for x
    x = 15,570,086,851.65/142,718.76
  6. Step 6: Final answer
    x = 109,096.29

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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.