Home / 141,962.41-213,074.84-71,890.93

Finding the Fourth Proportional to 141,962.41, 213,074.84 and 71,890.93

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Solution

The fourth proportional to 141,962.41, 213,074.84 and 71,890.93 is: 107,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,962.41 : 213,074.84 = 71,890.93 : x
  2. Step 2: Convert to fraction form
    141,962.41/213,074.84 = 71,890.93/x
  3. Step 3: Cross multiply
    141,962.41x = 213,074.84 × 71,890.93
  4. Step 4: Simplify right side
    141,962.41x = 15,318,148,407.20
  5. Step 5: Solve for x
    x = 15,318,148,407.20/141,962.41
  6. Step 6: Final answer
    x = 107,902.85

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1.5x scale

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.