Home / 159,072.42-219,520.44-91,090.47

Finding the Fourth Proportional to 159,072.42, 219,520.44 and 91,090.47

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Solution

The fourth proportional to 159,072.42, 219,520.44 and 91,090.47 is: 125,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,072.42 : 219,520.44 = 91,090.47 : x
  2. Step 2: Convert to fraction form
    159,072.42/219,520.44 = 91,090.47/x
  3. Step 3: Cross multiply
    159,072.42x = 219,520.44 × 91,090.47
  4. Step 4: Simplify right side
    159,072.42x = 19,996,220,054.21
  5. Step 5: Solve for x
    x = 19,996,220,054.21/159,072.42
  6. Step 6: Final answer
    x = 125,705.14

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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.