Home / 103,234.10-142,445.79-60,801.03

Finding the Fourth Proportional to 103,234.10, 142,445.79 and 60,801.03

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Solution

The fourth proportional to 103,234.10, 142,445.79 and 60,801.03 is: 83,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,234.10 : 142,445.79 = 60,801.03 : x
  2. Step 2: Convert to fraction form
    103,234.10/142,445.79 = 60,801.03/x
  3. Step 3: Cross multiply
    103,234.10x = 142,445.79 × 60,801.03
  4. Step 4: Simplify right side
    103,234.10x = 8,660,850,751.16
  5. Step 5: Solve for x
    x = 8,660,850,751.16/103,234.10
  6. Step 6: Final answer
    x = 83,895.26

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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.