Home / 113,553.30-170,001.90-69,266.55

Finding the Fourth Proportional to 113,553.30, 170,001.90 and 69,266.55

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Solution

The fourth proportional to 113,553.30, 170,001.90 and 69,266.55 is: 103,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,553.30 : 170,001.90 = 69,266.55 : x
  2. Step 2: Convert to fraction form
    113,553.30/170,001.90 = 69,266.55/x
  3. Step 3: Cross multiply
    113,553.30x = 170,001.90 × 69,266.55
  4. Step 4: Simplify right side
    113,553.30x = 11,775,445,106.45
  5. Step 5: Solve for x
    x = 11,775,445,106.45/113,553.30
  6. Step 6: Final answer
    x = 103,699.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.