Home / 142,802.44-197,062.41-79,146.16

Finding the Fourth Proportional to 142,802.44, 197,062.41 and 79,146.16

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Solution

The fourth proportional to 142,802.44, 197,062.41 and 79,146.16 is: 109,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,802.44 : 197,062.41 = 79,146.16 : x
  2. Step 2: Convert to fraction form
    142,802.44/197,062.41 = 79,146.16/x
  3. Step 3: Cross multiply
    142,802.44x = 197,062.41 × 79,146.16
  4. Step 4: Simplify right side
    142,802.44x = 15,596,733,031.85
  5. Step 5: Solve for x
    x = 15,596,733,031.85/142,802.44
  6. Step 6: Final answer
    x = 109,218.95

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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.