Home / 126,035.73-189,086.40-47,156.18

Finding the Fourth Proportional to 126,035.73, 189,086.40 and 47,156.18

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Solution

The fourth proportional to 126,035.73, 189,086.40 and 47,156.18 is: 70,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,035.73 : 189,086.40 = 47,156.18 : x
  2. Step 2: Convert to fraction form
    126,035.73/189,086.40 = 47,156.18/x
  3. Step 3: Cross multiply
    126,035.73x = 189,086.40 × 47,156.18
  4. Step 4: Simplify right side
    126,035.73x = 8,916,591,368.52
  5. Step 5: Solve for x
    x = 8,916,591,368.52/126,035.73
  6. Step 6: Final answer
    x = 70,746.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.