Home / 189,734.41-261,838.47-103,697.02

Finding the Fourth Proportional to 189,734.41, 261,838.47 and 103,697.02

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Solution

The fourth proportional to 189,734.41, 261,838.47 and 103,697.02 is: 143,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,734.41 : 261,838.47 = 103,697.02 : x
  2. Step 2: Convert to fraction form
    189,734.41/261,838.47 = 103,697.02/x
  3. Step 3: Cross multiply
    189,734.41x = 261,838.47 × 103,697.02
  4. Step 4: Simplify right side
    189,734.41x = 27,151,869,060.36
  5. Step 5: Solve for x
    x = 27,151,869,060.36/189,734.41
  6. Step 6: Final answer
    x = 143,104.61

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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.