Home / 191,565.82-264,341.91-106,690.78

Finding the Fourth Proportional to 191,565.82, 264,341.91 and 106,690.78

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Solution

The fourth proportional to 191,565.82, 264,341.91 and 106,690.78 is: 147,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,565.82 : 264,341.91 = 106,690.78 : x
  2. Step 2: Convert to fraction form
    191,565.82/264,341.91 = 106,690.78/x
  3. Step 3: Cross multiply
    191,565.82x = 264,341.91 × 106,690.78
  4. Step 4: Simplify right side
    191,565.82x = 28,202,844,564.59
  5. Step 5: Solve for x
    x = 28,202,844,564.59/191,565.82
  6. Step 6: Final answer
    x = 147,222.74

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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.