Home / 144,111.32-215,724.06-122,853.68

Finding the Fourth Proportional to 144,111.32, 215,724.06 and 122,853.68

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Solution

The fourth proportional to 144,111.32, 215,724.06 and 122,853.68 is: 183,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,111.32 : 215,724.06 = 122,853.68 : x
  2. Step 2: Convert to fraction form
    144,111.32/215,724.06 = 122,853.68/x
  3. Step 3: Cross multiply
    144,111.32x = 215,724.06 × 122,853.68
  4. Step 4: Simplify right side
    144,111.32x = 26,502,494,635.54
  5. Step 5: Solve for x
    x = 26,502,494,635.54/144,111.32
  6. Step 6: Final answer
    x = 183,902.93

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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.