Home / 141,981.76-212,860.22-70,867.80

Finding the Fourth Proportional to 141,981.76, 212,860.22 and 70,867.80

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Solution

The fourth proportional to 141,981.76, 212,860.22 and 70,867.80 is: 106,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,981.76 : 212,860.22 = 70,867.80 : x
  2. Step 2: Convert to fraction form
    141,981.76/212,860.22 = 70,867.80/x
  3. Step 3: Cross multiply
    141,981.76x = 212,860.22 × 70,867.80
  4. Step 4: Simplify right side
    141,981.76x = 15,084,935,498.92
  5. Step 5: Solve for x
    x = 15,084,935,498.92/141,981.76
  6. Step 6: Final answer
    x = 106,245.59

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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.