Home / 157,234.41-216,987.05-89,245.03

Finding the Fourth Proportional to 157,234.41, 216,987.05 and 89,245.03

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Solution

The fourth proportional to 157,234.41, 216,987.05 and 89,245.03 is: 123,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,234.41 : 216,987.05 = 89,245.03 : x
  2. Step 2: Convert to fraction form
    157,234.41/216,987.05 = 89,245.03/x
  3. Step 3: Cross multiply
    157,234.41x = 216,987.05 × 89,245.03
  4. Step 4: Simplify right side
    157,234.41x = 19,365,015,196.27
  5. Step 5: Solve for x
    x = 19,365,015,196.27/157,234.41
  6. Step 6: Final answer
    x = 123,160.16

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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.