Home / 119,901.80-165,466.02-66,186.92

Finding the Fourth Proportional to 119,901.80, 165,466.02 and 66,186.92

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Solution

The fourth proportional to 119,901.80, 165,466.02 and 66,186.92 is: 91,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,901.80 : 165,466.02 = 66,186.92 : x
  2. Step 2: Convert to fraction form
    119,901.80/165,466.02 = 66,186.92/x
  3. Step 3: Cross multiply
    119,901.80x = 165,466.02 × 66,186.92
  4. Step 4: Simplify right side
    119,901.80x = 10,951,686,228.46
  5. Step 5: Solve for x
    x = 10,951,686,228.46/119,901.80
  6. Step 6: Final answer
    x = 91,338.80

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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.