Home / 172,909.15-238,609.87-96,430.57

Finding the Fourth Proportional to 172,909.15, 238,609.87 and 96,430.57

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Solution

The fourth proportional to 172,909.15, 238,609.87 and 96,430.57 is: 133,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,909.15 : 238,609.87 = 96,430.57 : x
  2. Step 2: Convert to fraction form
    172,909.15/238,609.87 = 96,430.57/x
  3. Step 3: Cross multiply
    172,909.15x = 238,609.87 × 96,430.57
  4. Step 4: Simplify right side
    172,909.15x = 23,009,285,771.73
  5. Step 5: Solve for x
    x = 23,009,285,771.73/172,909.15
  6. Step 6: Final answer
    x = 133,071.53

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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.