Home / 166,770.32-230,141.43-90,287.46

Finding the Fourth Proportional to 166,770.32, 230,141.43 and 90,287.46

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Solution

The fourth proportional to 166,770.32, 230,141.43 and 90,287.46 is: 124,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,770.32 : 230,141.43 = 90,287.46 : x
  2. Step 2: Convert to fraction form
    166,770.32/230,141.43 = 90,287.46/x
  3. Step 3: Cross multiply
    166,770.32x = 230,141.43 × 90,287.46
  4. Step 4: Simplify right side
    166,770.32x = 20,778,885,155.47
  5. Step 5: Solve for x
    x = 20,778,885,155.47/166,770.32
  6. Step 6: Final answer
    x = 124,595.82

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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.