Home / 126,261.84-189,343.54-47,333

Finding the Fourth Proportional to 126,261.84, 189,343.54 and 47,333

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Solution

The fourth proportional to 126,261.84, 189,343.54 and 47,333 is: 70,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,261.84 : 189,343.54 = 47,333 : x
  2. Step 2: Convert to fraction form
    126,261.84/189,343.54 = 47,333/x
  3. Step 3: Cross multiply
    126,261.84x = 189,343.54 × 47,333
  4. Step 4: Simplify right side
    126,261.84x = 8,962,197,778.82
  5. Step 5: Solve for x
    x = 8,962,197,778.82/126,261.84
  6. Step 6: Final answer
    x = 70,981.05

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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.