Home / 166,066.83-229,177.76-90,619.47

Finding the Fourth Proportional to 166,066.83, 229,177.76 and 90,619.47

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Solution

The fourth proportional to 166,066.83, 229,177.76 and 90,619.47 is: 125,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,066.83 : 229,177.76 = 90,619.47 : x
  2. Step 2: Convert to fraction form
    166,066.83/229,177.76 = 90,619.47/x
  3. Step 3: Cross multiply
    166,066.83x = 229,177.76 × 90,619.47
  4. Step 4: Simplify right side
    166,066.83x = 20,767,966,693.89
  5. Step 5: Solve for x
    x = 20,767,966,693.89/166,066.83
  6. Step 6: Final answer
    x = 125,057.89

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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.