Home / 189,513.76-261,527.38-104,629

Finding the Fourth Proportional to 189,513.76, 261,527.38 and 104,629

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Solution

The fourth proportional to 189,513.76, 261,527.38 and 104,629 is: 144,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,513.76 : 261,527.38 = 104,629 : x
  2. Step 2: Convert to fraction form
    189,513.76/261,527.38 = 104,629/x
  3. Step 3: Cross multiply
    189,513.76x = 261,527.38 × 104,629
  4. Step 4: Simplify right side
    189,513.76x = 27,363,348,242.02
  5. Step 5: Solve for x
    x = 27,363,348,242.02/189,513.76
  6. Step 6: Final answer
    x = 144,387.13

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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.