Home / 102,899.83-142,023.82-62,626.56

Finding the Fourth Proportional to 102,899.83, 142,023.82 and 62,626.56

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Solution

The fourth proportional to 102,899.83, 142,023.82 and 62,626.56 is: 86,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,899.83 : 142,023.82 = 62,626.56 : x
  2. Step 2: Convert to fraction form
    102,899.83/142,023.82 = 62,626.56/x
  3. Step 3: Cross multiply
    102,899.83x = 142,023.82 × 62,626.56
  4. Step 4: Simplify right side
    102,899.83x = 8,894,463,284.66
  5. Step 5: Solve for x
    x = 8,894,463,284.66/102,899.83
  6. Step 6: Final answer
    x = 86,438.08

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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.