Home / 141,820.20-212,742.45-47,029.95

Finding the Fourth Proportional to 141,820.20, 212,742.45 and 47,029.95

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Solution

The fourth proportional to 141,820.20, 212,742.45 and 47,029.95 is: 70,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,820.20 : 212,742.45 = 47,029.95 : x
  2. Step 2: Convert to fraction form
    141,820.20/212,742.45 = 47,029.95/x
  3. Step 3: Cross multiply
    141,820.20x = 212,742.45 × 47,029.95
  4. Step 4: Simplify right side
    141,820.20x = 10,005,266,786.38
  5. Step 5: Solve for x
    x = 10,005,266,786.38/141,820.20
  6. Step 6: Final answer
    x = 70,548.95

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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.