Home / 141,911.28-212,898.24-42,079.44

Finding the Fourth Proportional to 141,911.28, 212,898.24 and 42,079.44

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Solution

The fourth proportional to 141,911.28, 212,898.24 and 42,079.44 is: 63,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,911.28 : 212,898.24 = 42,079.44 : x
  2. Step 2: Convert to fraction form
    141,911.28/212,898.24 = 42,079.44/x
  3. Step 3: Cross multiply
    141,911.28x = 212,898.24 × 42,079.44
  4. Step 4: Simplify right side
    141,911.28x = 8,958,638,716.19
  5. Step 5: Solve for x
    x = 8,958,638,716.19/141,911.28
  6. Step 6: Final answer
    x = 63,128.45

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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.