Home / 119,767.65-165,280.40-66,054.52

Finding the Fourth Proportional to 119,767.65, 165,280.40 and 66,054.52

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Solution

The fourth proportional to 119,767.65, 165,280.40 and 66,054.52 is: 91,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,767.65 : 165,280.40 = 66,054.52 : x
  2. Step 2: Convert to fraction form
    119,767.65/165,280.40 = 66,054.52/x
  3. Step 3: Cross multiply
    119,767.65x = 165,280.40 × 66,054.52
  4. Step 4: Simplify right side
    119,767.65x = 10,917,517,487.41
  5. Step 5: Solve for x
    x = 10,917,517,487.41/119,767.65
  6. Step 6: Final answer
    x = 91,155.81

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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.