Home / 191,899.77-264,822.12-107,022.30

Finding the Fourth Proportional to 191,899.77, 264,822.12 and 107,022.30

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Solution

The fourth proportional to 191,899.77, 264,822.12 and 107,022.30 is: 147,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,899.77 : 264,822.12 = 107,022.30 : x
  2. Step 2: Convert to fraction form
    191,899.77/264,822.12 = 107,022.30/x
  3. Step 3: Cross multiply
    191,899.77x = 264,822.12 × 107,022.30
  4. Step 4: Simplify right side
    191,899.77x = 28,341,872,373.28
  5. Step 5: Solve for x
    x = 28,341,872,373.28/191,899.77
  6. Step 6: Final answer
    x = 147,691.02

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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.