Home / 141,845.04-212,766.89-42,005.79

Finding the Fourth Proportional to 141,845.04, 212,766.89 and 42,005.79

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Solution

The fourth proportional to 141,845.04, 212,766.89 and 42,005.79 is: 63,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,845.04 : 212,766.89 = 42,005.79 : x
  2. Step 2: Convert to fraction form
    141,845.04/212,766.89 = 42,005.79/x
  3. Step 3: Cross multiply
    141,845.04x = 212,766.89 × 42,005.79
  4. Step 4: Simplify right side
    141,845.04x = 8,937,441,090.26
  5. Step 5: Solve for x
    x = 8,937,441,090.26/141,845.04
  6. Step 6: Final answer
    x = 63,008.49

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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.