Home / 126,626.71-189,946.41-37,880.95

Finding the Fourth Proportional to 126,626.71, 189,946.41 and 37,880.95

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Solution

The fourth proportional to 126,626.71, 189,946.41 and 37,880.95 is: 56,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,626.71 : 189,946.41 = 37,880.95 : x
  2. Step 2: Convert to fraction form
    126,626.71/189,946.41 = 37,880.95/x
  3. Step 3: Cross multiply
    126,626.71x = 189,946.41 × 37,880.95
  4. Step 4: Simplify right side
    126,626.71x = 7,195,350,459.89
  5. Step 5: Solve for x
    x = 7,195,350,459.89/126,626.71
  6. Step 6: Final answer
    x = 56,823.32

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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.