Home / 119,440.62-164,828.64-65,724.30

Finding the Fourth Proportional to 119,440.62, 164,828.64 and 65,724.30

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Solution

The fourth proportional to 119,440.62, 164,828.64 and 65,724.30 is: 90,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,440.62 : 164,828.64 = 65,724.30 : x
  2. Step 2: Convert to fraction form
    119,440.62/164,828.64 = 65,724.30/x
  3. Step 3: Cross multiply
    119,440.62x = 164,828.64 × 65,724.30
  4. Step 4: Simplify right side
    119,440.62x = 10,833,246,983.95
  5. Step 5: Solve for x
    x = 10,833,246,983.95/119,440.62
  6. Step 6: Final answer
    x = 90,699.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.