Home / 191,062.48-263,670.66-105,025.90

Finding the Fourth Proportional to 191,062.48, 263,670.66 and 105,025.90

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Solution

The fourth proportional to 191,062.48, 263,670.66 and 105,025.90 is: 144,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,062.48 : 263,670.66 = 105,025.90 : x
  2. Step 2: Convert to fraction form
    191,062.48/263,670.66 = 105,025.90/x
  3. Step 3: Cross multiply
    191,062.48x = 263,670.66 × 105,025.90
  4. Step 4: Simplify right side
    191,062.48x = 27,692,248,370.09
  5. Step 5: Solve for x
    x = 27,692,248,370.09/191,062.48
  6. Step 6: Final answer
    x = 144,938.18

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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.