Home / 166,778.31-230,155.86-90,298.99

Finding the Fourth Proportional to 166,778.31, 230,155.86 and 90,298.99

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Solution

The fourth proportional to 166,778.31, 230,155.86 and 90,298.99 is: 124,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,778.31 : 230,155.86 = 90,298.99 : x
  2. Step 2: Convert to fraction form
    166,778.31/230,155.86 = 90,298.99/x
  3. Step 3: Cross multiply
    166,778.31x = 230,155.86 × 90,298.99
  4. Step 4: Simplify right side
    166,778.31x = 20,782,841,700.58
  5. Step 5: Solve for x
    x = 20,782,841,700.58/166,778.31
  6. Step 6: Final answer
    x = 124,613.58

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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.