Home / 126,195.99-174,150.59-72,491.40

Finding the Fourth Proportional to 126,195.99, 174,150.59 and 72,491.40

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Solution

The fourth proportional to 126,195.99, 174,150.59 and 72,491.40 is: 100,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,195.99 : 174,150.59 = 72,491.40 : x
  2. Step 2: Convert to fraction form
    126,195.99/174,150.59 = 72,491.40/x
  3. Step 3: Cross multiply
    126,195.99x = 174,150.59 × 72,491.40
  4. Step 4: Simplify right side
    126,195.99x = 12,624,420,079.93
  5. Step 5: Solve for x
    x = 12,624,420,079.93/126,195.99
  6. Step 6: Final answer
    x = 100,038.20

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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.