Home / 166,780.23-230,156.37-90,298.95

Finding the Fourth Proportional to 166,780.23, 230,156.37 and 90,298.95

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Solution

The fourth proportional to 166,780.23, 230,156.37 and 90,298.95 is: 124,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,780.23 : 230,156.37 = 90,298.95 : x
  2. Step 2: Convert to fraction form
    166,780.23/230,156.37 = 90,298.95/x
  3. Step 3: Cross multiply
    166,780.23x = 230,156.37 × 90,298.95
  4. Step 4: Simplify right side
    166,780.23x = 20,782,878,546.81
  5. Step 5: Solve for x
    x = 20,782,878,546.81/166,780.23
  6. Step 6: Final answer
    x = 124,612.36

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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.