Home / 225,205.11-310,895.57-129,693.35

Finding the Fourth Proportional to 225,205.11, 310,895.57 and 129,693.35

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Solution

The fourth proportional to 225,205.11, 310,895.57 and 129,693.35 is: 179,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,205.11 : 310,895.57 = 129,693.35 : x
  2. Step 2: Convert to fraction form
    225,205.11/310,895.57 = 129,693.35/x
  3. Step 3: Cross multiply
    225,205.11x = 310,895.57 × 129,693.35
  4. Step 4: Simplify right side
    225,205.11x = 40,321,088,345.41
  5. Step 5: Solve for x
    x = 40,321,088,345.41/225,205.11
  6. Step 6: Final answer
    x = 179,041.62

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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.