Home / 191,117.38-263,719.08-105,062.20

Finding the Fourth Proportional to 191,117.38, 263,719.08 and 105,062.20

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Solution

The fourth proportional to 191,117.38, 263,719.08 and 105,062.20 is: 144,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,117.38 : 263,719.08 = 105,062.20 : x
  2. Step 2: Convert to fraction form
    191,117.38/263,719.08 = 105,062.20/x
  3. Step 3: Cross multiply
    191,117.38x = 263,719.08 × 105,062.20
  4. Step 4: Simplify right side
    191,117.38x = 27,706,906,726.78
  5. Step 5: Solve for x
    x = 27,706,906,726.78/191,117.38
  6. Step 6: Final answer
    x = 144,973.24

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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.