Home / 132,805.36-183,266.76-72,374.78

Finding the Fourth Proportional to 132,805.36, 183,266.76 and 72,374.78

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Solution

The fourth proportional to 132,805.36, 183,266.76 and 72,374.78 is: 99,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,805.36 : 183,266.76 = 72,374.78 : x
  2. Step 2: Convert to fraction form
    132,805.36/183,266.76 = 72,374.78/x
  3. Step 3: Cross multiply
    132,805.36x = 183,266.76 × 72,374.78
  4. Step 4: Simplify right side
    132,805.36x = 13,263,891,436.31
  5. Step 5: Solve for x
    x = 13,263,891,436.31/132,805.36
  6. Step 6: Final answer
    x = 99,874.67

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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.