Home / 189,720.30-284,386.05-110,793.90

Finding the Fourth Proportional to 189,720.30, 284,386.05 and 110,793.90

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Solution

The fourth proportional to 189,720.30, 284,386.05 and 110,793.90 is: 166,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,720.30 : 284,386.05 = 110,793.90 : x
  2. Step 2: Convert to fraction form
    189,720.30/284,386.05 = 110,793.90/x
  3. Step 3: Cross multiply
    189,720.30x = 284,386.05 × 110,793.90
  4. Step 4: Simplify right side
    189,720.30x = 31,508,239,585.10
  5. Step 5: Solve for x
    x = 31,508,239,585.10/189,720.30
  6. Step 6: Final answer
    x = 166,077.32

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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.