Home / 118,731.66-163,849.74-65,020.02

Finding the Fourth Proportional to 118,731.66, 163,849.74 and 65,020.02

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Solution

The fourth proportional to 118,731.66, 163,849.74 and 65,020.02 is: 89,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,731.66 : 163,849.74 = 65,020.02 : x
  2. Step 2: Convert to fraction form
    118,731.66/163,849.74 = 65,020.02/x
  3. Step 3: Cross multiply
    118,731.66x = 163,849.74 × 65,020.02
  4. Step 4: Simplify right side
    118,731.66x = 10,653,513,371.79
  5. Step 5: Solve for x
    x = 10,653,513,371.79/118,731.66
  6. Step 6: Final answer
    x = 89,727.65

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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.