Home / 115,132.79-157,732.50-110,818.26

Finding the Fourth Proportional to 115,132.79, 157,732.50 and 110,818.26

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Solution

The fourth proportional to 115,132.79, 157,732.50 and 110,818.26 is: 151,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,132.79 : 157,732.50 = 110,818.26 : x
  2. Step 2: Convert to fraction form
    115,132.79/157,732.50 = 110,818.26/x
  3. Step 3: Cross multiply
    115,132.79x = 157,732.50 × 110,818.26
  4. Step 4: Simplify right side
    115,132.79x = 17,479,641,195.45
  5. Step 5: Solve for x
    x = 17,479,641,195.45/115,132.79
  6. Step 6: Final answer
    x = 151,821.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.