Home / 110,726.70-166,090.05-81,202.20

Finding the Fourth Proportional to 110,726.70, 166,090.05 and 81,202.20

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Solution

The fourth proportional to 110,726.70, 166,090.05 and 81,202.20 is: 121,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,726.70 : 166,090.05 = 81,202.20 : x
  2. Step 2: Convert to fraction form
    110,726.70/166,090.05 = 81,202.20/x
  3. Step 3: Cross multiply
    110,726.70x = 166,090.05 × 81,202.20
  4. Step 4: Simplify right side
    110,726.70x = 13,486,877,458.11
  5. Step 5: Solve for x
    x = 13,486,877,458.11/110,726.70
  6. Step 6: Final answer
    x = 121,803.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.