Home / 119,922.16-165,498.12-66,214.80

Finding the Fourth Proportional to 119,922.16, 165,498.12 and 66,214.80

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Solution

The fourth proportional to 119,922.16, 165,498.12 and 66,214.80 is: 91,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,922.16 : 165,498.12 = 66,214.80 : x
  2. Step 2: Convert to fraction form
    119,922.16/165,498.12 = 66,214.80/x
  3. Step 3: Cross multiply
    119,922.16x = 165,498.12 × 66,214.80
  4. Step 4: Simplify right side
    119,922.16x = 10,958,424,916.18
  5. Step 5: Solve for x
    x = 10,958,424,916.18/119,922.16
  6. Step 6: Final answer
    x = 91,379.48

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1.5x scale

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.