Home / 154,079.99-231,172.52-83,009.91

Finding the Fourth Proportional to 154,079.99, 231,172.52 and 83,009.91

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Solution

The fourth proportional to 154,079.99, 231,172.52 and 83,009.91 is: 124,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,079.99 : 231,172.52 = 83,009.91 : x
  2. Step 2: Convert to fraction form
    154,079.99/231,172.52 = 83,009.91/x
  3. Step 3: Cross multiply
    154,079.99x = 231,172.52 × 83,009.91
  4. Step 4: Simplify right side
    154,079.99x = 19,189,609,664.62
  5. Step 5: Solve for x
    x = 19,189,609,664.62/154,079.99
  6. Step 6: Final answer
    x = 124,543.17

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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.