Home / 119,925.16-165,502.26-66,217.80

Finding the Fourth Proportional to 119,925.16, 165,502.26 and 66,217.80

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Solution

The fourth proportional to 119,925.16, 165,502.26 and 66,217.80 is: 91,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,925.16 : 165,502.26 = 66,217.80 : x
  2. Step 2: Convert to fraction form
    119,925.16/165,502.26 = 66,217.80/x
  3. Step 3: Cross multiply
    119,925.16x = 165,502.26 × 66,217.80
  4. Step 4: Simplify right side
    119,925.16x = 10,959,195,552.23
  5. Step 5: Solve for x
    x = 10,959,195,552.23/119,925.16
  6. Step 6: Final answer
    x = 91,383.62

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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.