Home / 141,929.94-212,858.65-42,066.78

Finding the Fourth Proportional to 141,929.94, 212,858.65 and 42,066.78

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Solution

The fourth proportional to 141,929.94, 212,858.65 and 42,066.78 is: 63,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,929.94 : 212,858.65 = 42,066.78 : x
  2. Step 2: Convert to fraction form
    141,929.94/212,858.65 = 42,066.78/x
  3. Step 3: Cross multiply
    141,929.94x = 212,858.65 × 42,066.78
  4. Step 4: Simplify right side
    141,929.94x = 8,954,277,255.01
  5. Step 5: Solve for x
    x = 8,954,277,255.01/141,929.94
  6. Step 6: Final answer
    x = 63,089.42

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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.