Home / 161,839.75-242,759.63-51,031.75

Finding the Fourth Proportional to 161,839.75, 242,759.63 and 51,031.75

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Solution

The fourth proportional to 161,839.75, 242,759.63 and 51,031.75 is: 76,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,839.75 : 242,759.63 = 51,031.75 : x
  2. Step 2: Convert to fraction form
    161,839.75/242,759.63 = 51,031.75/x
  3. Step 3: Cross multiply
    161,839.75x = 242,759.63 × 51,031.75
  4. Step 4: Simplify right side
    161,839.75x = 12,388,448,493.09
  5. Step 5: Solve for x
    x = 12,388,448,493.09/161,839.75
  6. Step 6: Final answer
    x = 76,547.63

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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.