Home / 132,814.11-183,278.82-72,383.55

Finding the Fourth Proportional to 132,814.11, 183,278.82 and 72,383.55

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Solution

The fourth proportional to 132,814.11, 183,278.82 and 72,383.55 is: 99,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,814.11 : 183,278.82 = 72,383.55 : x
  2. Step 2: Convert to fraction form
    132,814.11/183,278.82 = 72,383.55/x
  3. Step 3: Cross multiply
    132,814.11x = 183,278.82 × 72,383.55
  4. Step 4: Simplify right side
    132,814.11x = 13,266,371,631.41
  5. Step 5: Solve for x
    x = 13,266,371,631.41/132,814.11
  6. Step 6: Final answer
    x = 99,886.76

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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.