Home / 143,377.16-197,860.02-79,714.94

Finding the Fourth Proportional to 143,377.16, 197,860.02 and 79,714.94

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Solution

The fourth proportional to 143,377.16, 197,860.02 and 79,714.94 is: 110,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,377.16 : 197,860.02 = 79,714.94 : x
  2. Step 2: Convert to fraction form
    143,377.16/197,860.02 = 79,714.94/x
  3. Step 3: Cross multiply
    143,377.16x = 197,860.02 × 79,714.94
  4. Step 4: Simplify right side
    143,377.16x = 15,772,399,622.70
  5. Step 5: Solve for x
    x = 15,772,399,622.70/143,377.16
  6. Step 6: Final answer
    x = 110,006.36

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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.