Home / 119,694.09-165,178.98-65,981.04

Finding the Fourth Proportional to 119,694.09, 165,178.98 and 65,981.04

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Solution

The fourth proportional to 119,694.09, 165,178.98 and 65,981.04 is: 91,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,694.09 : 165,178.98 = 65,981.04 : x
  2. Step 2: Convert to fraction form
    119,694.09/165,178.98 = 65,981.04/x
  3. Step 3: Cross multiply
    119,694.09x = 165,178.98 × 65,981.04
  4. Step 4: Simplify right side
    119,694.09x = 10,898,680,267.12
  5. Step 5: Solve for x
    x = 10,898,680,267.12/119,694.09
  6. Step 6: Final answer
    x = 91,054.45

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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.