Home / 141,835.80-212,472.90-91,950.60

Finding the Fourth Proportional to 141,835.80, 212,472.90 and 91,950.60

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Solution

The fourth proportional to 141,835.80, 212,472.90 and 91,950.60 is: 137,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,835.80 : 212,472.90 = 91,950.60 : x
  2. Step 2: Convert to fraction form
    141,835.80/212,472.90 = 91,950.60/x
  3. Step 3: Cross multiply
    141,835.80x = 212,472.90 × 91,950.60
  4. Step 4: Simplify right side
    141,835.80x = 19,537,010,638.74
  5. Step 5: Solve for x
    x = 19,537,010,638.74/141,835.80
  6. Step 6: Final answer
    x = 137,743.86

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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.