Home / 166,866.05-230,275.38-90,385.98

Finding the Fourth Proportional to 166,866.05, 230,275.38 and 90,385.98

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Solution

The fourth proportional to 166,866.05, 230,275.38 and 90,385.98 is: 124,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,866.05 : 230,275.38 = 90,385.98 : x
  2. Step 2: Convert to fraction form
    166,866.05/230,275.38 = 90,385.98/x
  3. Step 3: Cross multiply
    166,866.05x = 230,275.38 × 90,385.98
  4. Step 4: Simplify right side
    166,866.05x = 20,813,665,112.38
  5. Step 5: Solve for x
    x = 20,813,665,112.38/166,866.05
  6. Step 6: Final answer
    x = 124,732.77

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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.