Home / 119,897.10-165,458.03-66,182.15

Finding the Fourth Proportional to 119,897.10, 165,458.03 and 66,182.15

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Solution

The fourth proportional to 119,897.10, 165,458.03 and 66,182.15 is: 91,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,897.10 : 165,458.03 = 66,182.15 : x
  2. Step 2: Convert to fraction form
    119,897.10/165,458.03 = 66,182.15/x
  3. Step 3: Cross multiply
    119,897.10x = 165,458.03 × 66,182.15
  4. Step 4: Simplify right side
    119,897.10x = 10,950,367,001.96
  5. Step 5: Solve for x
    x = 10,950,367,001.96/119,897.10
  6. Step 6: Final answer
    x = 91,331.38

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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.