Home / 179,491.36-247,658.16-103,005.76

Finding the Fourth Proportional to 179,491.36, 247,658.16 and 103,005.76

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Solution

The fourth proportional to 179,491.36, 247,658.16 and 103,005.76 is: 142,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,491.36 : 247,658.16 = 103,005.76 : x
  2. Step 2: Convert to fraction form
    179,491.36/247,658.16 = 103,005.76/x
  3. Step 3: Cross multiply
    179,491.36x = 247,658.16 × 103,005.76
  4. Step 4: Simplify right side
    179,491.36x = 25,510,216,991.00
  5. Step 5: Solve for x
    x = 25,510,216,991.00/179,491.36
  6. Step 6: Final answer
    x = 142,125.04

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1.5x scale

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.