Home / 166,767.96-230,139.88-90,287.07

Finding the Fourth Proportional to 166,767.96, 230,139.88 and 90,287.07

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Solution

The fourth proportional to 166,767.96, 230,139.88 and 90,287.07 is: 124,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,767.96 : 230,139.88 = 90,287.07 : x
  2. Step 2: Convert to fraction form
    166,767.96/230,139.88 = 90,287.07/x
  3. Step 3: Cross multiply
    166,767.96x = 230,139.88 × 90,287.07
  4. Step 4: Simplify right side
    166,767.96x = 20,778,655,455.35
  5. Step 5: Solve for x
    x = 20,778,655,455.35/166,767.96
  6. Step 6: Final answer
    x = 124,596.21

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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.