Home / 102,699.01-141,722.02-57,377.34

Finding the Fourth Proportional to 102,699.01, 141,722.02 and 57,377.34

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Solution

The fourth proportional to 102,699.01, 141,722.02 and 57,377.34 is: 79,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,699.01 : 141,722.02 = 57,377.34 : x
  2. Step 2: Convert to fraction form
    102,699.01/141,722.02 = 57,377.34/x
  3. Step 3: Cross multiply
    102,699.01x = 141,722.02 × 57,377.34
  4. Step 4: Simplify right side
    102,699.01x = 8,131,631,818.42
  5. Step 5: Solve for x
    x = 8,131,631,818.42/102,699.01
  6. Step 6: Final answer
    x = 79,179.26

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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.