Home / 161,686.20-242,529.30-50,878.20

Finding the Fourth Proportional to 161,686.20, 242,529.30 and 50,878.20

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Solution

The fourth proportional to 161,686.20, 242,529.30 and 50,878.20 is: 76,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,686.20 : 242,529.30 = 50,878.20 : x
  2. Step 2: Convert to fraction form
    161,686.20/242,529.30 = 50,878.20/x
  3. Step 3: Cross multiply
    161,686.20x = 242,529.30 × 50,878.20
  4. Step 4: Simplify right side
    161,686.20x = 12,339,454,231.26
  5. Step 5: Solve for x
    x = 12,339,454,231.26/161,686.20
  6. Step 6: Final answer
    x = 76,317.30

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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.