Home / 189,501.47-261,512.37-104,618.60

Finding the Fourth Proportional to 189,501.47, 261,512.37 and 104,618.60

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Solution

The fourth proportional to 189,501.47, 261,512.37 and 104,618.60 is: 144,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,501.47 : 261,512.37 = 104,618.60 : x
  2. Step 2: Convert to fraction form
    189,501.47/261,512.37 = 104,618.60/x
  3. Step 3: Cross multiply
    189,501.47x = 261,512.37 × 104,618.60
  4. Step 4: Simplify right side
    189,501.47x = 27,359,056,724.52
  5. Step 5: Solve for x
    x = 27,359,056,724.52/189,501.47
  6. Step 6: Final answer
    x = 144,373.85

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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.