Home / 158,802.46-219,001.12-107,891.39

Finding the Fourth Proportional to 158,802.46, 219,001.12 and 107,891.39

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Solution

The fourth proportional to 158,802.46, 219,001.12 and 107,891.39 is: 148,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,802.46 : 219,001.12 = 107,891.39 : x
  2. Step 2: Convert to fraction form
    158,802.46/219,001.12 = 107,891.39/x
  3. Step 3: Cross multiply
    158,802.46x = 219,001.12 × 107,891.39
  4. Step 4: Simplify right side
    158,802.46x = 23,628,335,526.13
  5. Step 5: Solve for x
    x = 23,628,335,526.13/158,802.46
  6. Step 6: Final answer
    x = 148,790.74

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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.