Home / 119,140.80-164,414.75-64,693.04

Finding the Fourth Proportional to 119,140.80, 164,414.75 and 64,693.04

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Solution

The fourth proportional to 119,140.80, 164,414.75 and 64,693.04 is: 89,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,140.80 : 164,414.75 = 64,693.04 : x
  2. Step 2: Convert to fraction form
    119,140.80/164,414.75 = 64,693.04/x
  3. Step 3: Cross multiply
    119,140.80x = 164,414.75 × 64,693.04
  4. Step 4: Simplify right side
    119,140.80x = 10,636,489,587.30
  5. Step 5: Solve for x
    x = 10,636,489,587.30/119,140.80
  6. Step 6: Final answer
    x = 89,276.63

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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.