Home / 141,984.14-212,976-36,803.21

Finding the Fourth Proportional to 141,984.14, 212,976 and 36,803.21

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Solution

The fourth proportional to 141,984.14, 212,976 and 36,803.21 is: 55,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,984.14 : 212,976 = 36,803.21 : x
  2. Step 2: Convert to fraction form
    141,984.14/212,976 = 36,803.21/x
  3. Step 3: Cross multiply
    141,984.14x = 212,976 × 36,803.21
  4. Step 4: Simplify right side
    141,984.14x = 7,838,199,388.08
  5. Step 5: Solve for x
    x = 7,838,199,388.08/141,984.14
  6. Step 6: Final answer
    x = 55,204.76

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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.