Home / 161,515.50-242,282.97-50,707.50

Finding the Fourth Proportional to 161,515.50, 242,282.97 and 50,707.50

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Solution

The fourth proportional to 161,515.50, 242,282.97 and 50,707.50 is: 76,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,515.50 : 242,282.97 = 50,707.50 : x
  2. Step 2: Convert to fraction form
    161,515.50/242,282.97 = 50,707.50/x
  3. Step 3: Cross multiply
    161,515.50x = 242,282.97 × 50,707.50
  4. Step 4: Simplify right side
    161,515.50x = 12,285,563,701.28
  5. Step 5: Solve for x
    x = 12,285,563,701.28/161,515.50
  6. Step 6: Final answer
    x = 76,064.30

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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.