Home / 154,385.46-231,384.41-83,305.22

Finding the Fourth Proportional to 154,385.46, 231,384.41 and 83,305.22

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Solution

The fourth proportional to 154,385.46, 231,384.41 and 83,305.22 is: 124,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,385.46 : 231,384.41 = 83,305.22 : x
  2. Step 2: Convert to fraction form
    154,385.46/231,384.41 = 83,305.22/x
  3. Step 3: Cross multiply
    154,385.46x = 231,384.41 × 83,305.22
  4. Step 4: Simplify right side
    154,385.46x = 19,275,528,763.09
  5. Step 5: Solve for x
    x = 19,275,528,763.09/154,385.46
  6. Step 6: Final answer
    x = 124,853.27

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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.