Home / 163,428.66-245,216.92-83,425.30

Finding the Fourth Proportional to 163,428.66, 245,216.92 and 83,425.30

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Solution

The fourth proportional to 163,428.66, 245,216.92 and 83,425.30 is: 125,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,428.66 : 245,216.92 = 83,425.30 : x
  2. Step 2: Convert to fraction form
    163,428.66/245,216.92 = 83,425.30/x
  3. Step 3: Cross multiply
    163,428.66x = 245,216.92 × 83,425.30
  4. Step 4: Simplify right side
    163,428.66x = 20,457,295,116.08
  5. Step 5: Solve for x
    x = 20,457,295,116.08/163,428.66
  6. Step 6: Final answer
    x = 125,175.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.