Home / 166,742.10-230,103.86-90,260.82

Finding the Fourth Proportional to 166,742.10, 230,103.86 and 90,260.82

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Solution

The fourth proportional to 166,742.10, 230,103.86 and 90,260.82 is: 124,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,742.10 : 230,103.86 = 90,260.82 : x
  2. Step 2: Convert to fraction form
    166,742.10/230,103.86 = 90,260.82/x
  3. Step 3: Cross multiply
    166,742.10x = 230,103.86 × 90,260.82
  4. Step 4: Simplify right side
    166,742.10x = 20,769,362,637.46
  5. Step 5: Solve for x
    x = 20,769,362,637.46/166,742.10
  6. Step 6: Final answer
    x = 124,559.80

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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.