Home / 161,712.40-242,568.60-120,240.40

Finding the Fourth Proportional to 161,712.40, 242,568.60 and 120,240.40

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Solution

The fourth proportional to 161,712.40, 242,568.60 and 120,240.40 is: 180,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,712.40 : 242,568.60 = 120,240.40 : x
  2. Step 2: Convert to fraction form
    161,712.40/242,568.60 = 120,240.40/x
  3. Step 3: Cross multiply
    161,712.40x = 242,568.60 × 120,240.40
  4. Step 4: Simplify right side
    161,712.40x = 29,166,545,491.44
  5. Step 5: Solve for x
    x = 29,166,545,491.44/161,712.40
  6. Step 6: Final answer
    x = 180,360.60

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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.