Home / 119,911.09-165,465.51-66,192.64

Finding the Fourth Proportional to 119,911.09, 165,465.51 and 66,192.64

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Solution

The fourth proportional to 119,911.09, 165,465.51 and 66,192.64 is: 91,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911.09 : 165,465.51 = 66,192.64 : x
  2. Step 2: Convert to fraction form
    119,911.09/165,465.51 = 66,192.64/x
  3. Step 3: Cross multiply
    119,911.09x = 165,465.51 × 66,192.64
  4. Step 4: Simplify right side
    119,911.09x = 10,952,598,935.85
  5. Step 5: Solve for x
    x = 10,952,598,935.85/119,911.09
  6. Step 6: Final answer
    x = 91,339.33

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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.