Home / 142,327.98-213,327.60-53,524.80

Finding the Fourth Proportional to 142,327.98, 213,327.60 and 53,524.80

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Solution

The fourth proportional to 142,327.98, 213,327.60 and 53,524.80 is: 80,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,327.98 : 213,327.60 = 53,524.80 : x
  2. Step 2: Convert to fraction form
    142,327.98/213,327.60 = 53,524.80/x
  3. Step 3: Cross multiply
    142,327.98x = 213,327.60 × 53,524.80
  4. Step 4: Simplify right side
    142,327.98x = 11,418,317,124.48
  5. Step 5: Solve for x
    x = 11,418,317,124.48/142,327.98
  6. Step 6: Final answer
    x = 80,225.39

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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.