Home / 103,351.91-142,641.23-63,089.10

Finding the Fourth Proportional to 103,351.91, 142,641.23 and 63,089.10

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Solution

The fourth proportional to 103,351.91, 142,641.23 and 63,089.10 is: 87,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,351.91 : 142,641.23 = 63,089.10 : x
  2. Step 2: Convert to fraction form
    103,351.91/142,641.23 = 63,089.10/x
  3. Step 3: Cross multiply
    103,351.91x = 142,641.23 × 63,089.10
  4. Step 4: Simplify right side
    103,351.91x = 8,999,106,508.15
  5. Step 5: Solve for x
    x = 8,999,106,508.15/103,351.91
  6. Step 6: Final answer
    x = 87,072.48

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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.