Home / 132,810.30-183,273.56-72,379.73

Finding the Fourth Proportional to 132,810.30, 183,273.56 and 72,379.73

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Solution

The fourth proportional to 132,810.30, 183,273.56 and 72,379.73 is: 99,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,810.30 : 183,273.56 = 72,379.73 : x
  2. Step 2: Convert to fraction form
    132,810.30/183,273.56 = 72,379.73/x
  3. Step 3: Cross multiply
    132,810.30x = 183,273.56 × 72,379.73
  4. Step 4: Simplify right side
    132,810.30x = 13,265,290,788.94
  5. Step 5: Solve for x
    x = 13,265,290,788.94/132,810.30
  6. Step 6: Final answer
    x = 99,881.49

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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.