Home / 132,244.48-182,416.80-78,493.12

Finding the Fourth Proportional to 132,244.48, 182,416.80 and 78,493.12

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Solution

The fourth proportional to 132,244.48, 182,416.80 and 78,493.12 is: 108,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,244.48 : 182,416.80 = 78,493.12 : x
  2. Step 2: Convert to fraction form
    132,244.48/182,416.80 = 78,493.12/x
  3. Step 3: Cross multiply
    132,244.48x = 182,416.80 × 78,493.12
  4. Step 4: Simplify right side
    132,244.48x = 14,318,463,772.42
  5. Step 5: Solve for x
    x = 14,318,463,772.42/132,244.48
  6. Step 6: Final answer
    x = 108,272.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.