Home / 132,744.93-183,187.09-72,315.61

Finding the Fourth Proportional to 132,744.93, 183,187.09 and 72,315.61

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Solution

The fourth proportional to 132,744.93, 183,187.09 and 72,315.61 is: 99,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,744.93 : 183,187.09 = 72,315.61 : x
  2. Step 2: Convert to fraction form
    132,744.93/183,187.09 = 72,315.61/x
  3. Step 3: Cross multiply
    132,744.93x = 183,187.09 × 72,315.61
  4. Step 4: Simplify right side
    132,744.93x = 13,247,286,508.50
  5. Step 5: Solve for x
    x = 13,247,286,508.50/132,744.93
  6. Step 6: Final answer
    x = 99,795.05

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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.