Home / 180,324.15-270,510.81-75,118.50

Finding the Fourth Proportional to 180,324.15, 270,510.81 and 75,118.50

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Solution

The fourth proportional to 180,324.15, 270,510.81 and 75,118.50 is: 112,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,324.15 : 270,510.81 = 75,118.50 : x
  2. Step 2: Convert to fraction form
    180,324.15/270,510.81 = 75,118.50/x
  3. Step 3: Cross multiply
    180,324.15x = 270,510.81 × 75,118.50
  4. Step 4: Simplify right side
    180,324.15x = 20,320,366,280.99
  5. Step 5: Solve for x
    x = 20,320,366,280.99/180,324.15
  6. Step 6: Final answer
    x = 112,687.99

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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.