Home / 141,766.35-212,642.47-53,013.34

Finding the Fourth Proportional to 141,766.35, 212,642.47 and 53,013.34

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Solution

The fourth proportional to 141,766.35, 212,642.47 and 53,013.34 is: 79,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,766.35 : 212,642.47 = 53,013.34 : x
  2. Step 2: Convert to fraction form
    141,766.35/212,642.47 = 53,013.34/x
  3. Step 3: Cross multiply
    141,766.35x = 212,642.47 × 53,013.34
  4. Step 4: Simplify right side
    141,766.35x = 11,272,886,398.31
  5. Step 5: Solve for x
    x = 11,272,886,398.31/141,766.35
  6. Step 6: Final answer
    x = 79,517.36

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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.