Home / 189,499.93-284,398.40-132,201.21

Finding the Fourth Proportional to 189,499.93, 284,398.40 and 132,201.21

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Solution

The fourth proportional to 189,499.93, 284,398.40 and 132,201.21 is: 198,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,499.93 : 284,398.40 = 132,201.21 : x
  2. Step 2: Convert to fraction form
    189,499.93/284,398.40 = 132,201.21/x
  3. Step 3: Cross multiply
    189,499.93x = 284,398.40 × 132,201.21
  4. Step 4: Simplify right side
    189,499.93x = 37,597,812,602.06
  5. Step 5: Solve for x
    x = 37,597,812,602.06/189,499.93
  6. Step 6: Final answer
    x = 198,405.42

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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.