Home / 166,875.90-230,288.85-90,395.16

Finding the Fourth Proportional to 166,875.90, 230,288.85 and 90,395.16

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Solution

The fourth proportional to 166,875.90, 230,288.85 and 90,395.16 is: 124,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,875.90 : 230,288.85 = 90,395.16 : x
  2. Step 2: Convert to fraction form
    166,875.90/230,288.85 = 90,395.16/x
  3. Step 3: Cross multiply
    166,875.90x = 230,288.85 × 90,395.16
  4. Step 4: Simplify right side
    166,875.90x = 20,816,997,441.97
  5. Step 5: Solve for x
    x = 20,816,997,441.97/166,875.90
  6. Step 6: Final answer
    x = 124,745.38

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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.