Home / 191,860.72-264,769.28-106,983.20

Finding the Fourth Proportional to 191,860.72, 264,769.28 and 106,983.20

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Solution

The fourth proportional to 191,860.72, 264,769.28 and 106,983.20 is: 147,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,860.72 : 264,769.28 = 106,983.20 : x
  2. Step 2: Convert to fraction form
    191,860.72/264,769.28 = 106,983.20/x
  3. Step 3: Cross multiply
    191,860.72x = 264,769.28 × 106,983.20
  4. Step 4: Simplify right side
    191,860.72x = 28,325,864,836.10
  5. Step 5: Solve for x
    x = 28,325,864,836.10/191,860.72
  6. Step 6: Final answer
    x = 147,637.64

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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.