Home / 166,761.75-230,130.93-90,280.82

Finding the Fourth Proportional to 166,761.75, 230,130.93 and 90,280.82

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Solution

The fourth proportional to 166,761.75, 230,130.93 and 90,280.82 is: 124,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,761.75 : 230,130.93 = 90,280.82 : x
  2. Step 2: Convert to fraction form
    166,761.75/230,130.93 = 90,280.82/x
  3. Step 3: Cross multiply
    166,761.75x = 230,130.93 × 90,280.82
  4. Step 4: Simplify right side
    166,761.75x = 20,776,407,917.11
  5. Step 5: Solve for x
    x = 20,776,407,917.11/166,761.75
  6. Step 6: Final answer
    x = 124,587.37

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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.