Home / 141,919.59-212,914.41-42,079.77

Finding the Fourth Proportional to 141,919.59, 212,914.41 and 42,079.77

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Solution

The fourth proportional to 141,919.59, 212,914.41 and 42,079.77 is: 63,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,919.59 : 212,914.41 = 42,079.77 : x
  2. Step 2: Convert to fraction form
    141,919.59/212,914.41 = 42,079.77/x
  3. Step 3: Cross multiply
    141,919.59x = 212,914.41 × 42,079.77
  4. Step 4: Simplify right side
    141,919.59x = 8,959,389,402.49
  5. Step 5: Solve for x
    x = 8,959,389,402.49/141,919.59
  6. Step 6: Final answer
    x = 63,130.04

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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.