Home / 70,737.84-106,106.82-18,147.36

Finding the Fourth Proportional to 70,737.84, 106,106.82 and 18,147.36

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Solution

The fourth proportional to 70,737.84, 106,106.82 and 18,147.36 is: 27,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,737.84 : 106,106.82 = 18,147.36 : x
  2. Step 2: Convert to fraction form
    70,737.84/106,106.82 = 18,147.36/x
  3. Step 3: Cross multiply
    70,737.84x = 106,106.82 × 18,147.36
  4. Step 4: Simplify right side
    70,737.84x = 1,925,558,661.00
  5. Step 5: Solve for x
    x = 1,925,558,661.00/70,737.84
  6. Step 6: Final answer
    x = 27,221.06

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1.5x scale

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.