Home / 157,079.67-235,480.05-57,221.25

Finding the Fourth Proportional to 157,079.67, 235,480.05 and 57,221.25

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Solution

The fourth proportional to 157,079.67, 235,480.05 and 57,221.25 is: 85,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,079.67 : 235,480.05 = 57,221.25 : x
  2. Step 2: Convert to fraction form
    157,079.67/235,480.05 = 57,221.25/x
  3. Step 3: Cross multiply
    157,079.67x = 235,480.05 × 57,221.25
  4. Step 4: Simplify right side
    157,079.67x = 13,474,462,811.06
  5. Step 5: Solve for x
    x = 13,474,462,811.06/157,079.67
  6. Step 6: Final answer
    x = 85,781.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.