Home / 189,833.16-261,975.24-104,955.72

Finding the Fourth Proportional to 189,833.16, 261,975.24 and 104,955.72

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Solution

The fourth proportional to 189,833.16, 261,975.24 and 104,955.72 is: 144,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,833.16 : 261,975.24 = 104,955.72 : x
  2. Step 2: Convert to fraction form
    189,833.16/261,975.24 = 104,955.72/x
  3. Step 3: Cross multiply
    189,833.16x = 261,975.24 × 104,955.72
  4. Step 4: Simplify right side
    189,833.16x = 27,495,799,936.37
  5. Step 5: Solve for x
    x = 27,495,799,936.37/189,833.16
  6. Step 6: Final answer
    x = 144,841.92

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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.