Home / 163,689.12-245,287.44-110,916

Finding the Fourth Proportional to 163,689.12, 245,287.44 and 110,916

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Solution

The fourth proportional to 163,689.12, 245,287.44 and 110,916 is: 166,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,689.12 : 245,287.44 = 110,916 : x
  2. Step 2: Convert to fraction form
    163,689.12/245,287.44 = 110,916/x
  3. Step 3: Cross multiply
    163,689.12x = 245,287.44 × 110,916
  4. Step 4: Simplify right side
    163,689.12x = 27,206,301,695.04
  5. Step 5: Solve for x
    x = 27,206,301,695.04/163,689.12
  6. Step 6: Final answer
    x = 166,207.15

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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.