Home / 161,538.80-242,308.20-50,716.40

Finding the Fourth Proportional to 161,538.80, 242,308.20 and 50,716.40

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Solution

The fourth proportional to 161,538.80, 242,308.20 and 50,716.40 is: 76,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,538.80 : 242,308.20 = 50,716.40 : x
  2. Step 2: Convert to fraction form
    161,538.80/242,308.20 = 50,716.40/x
  3. Step 3: Cross multiply
    161,538.80x = 242,308.20 × 50,716.40
  4. Step 4: Simplify right side
    161,538.80x = 12,288,999,594.48
  5. Step 5: Solve for x
    x = 12,288,999,594.48/161,538.80
  6. Step 6: Final answer
    x = 76,074.60

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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.