Home / 218,719.39-301,832.73-118,117.39

Finding the Fourth Proportional to 218,719.39, 301,832.73 and 118,117.39

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Solution

The fourth proportional to 218,719.39, 301,832.73 and 118,117.39 is: 163,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,719.39 : 301,832.73 = 118,117.39 : x
  2. Step 2: Convert to fraction form
    218,719.39/301,832.73 = 118,117.39/x
  3. Step 3: Cross multiply
    218,719.39x = 301,832.73 × 118,117.39
  4. Step 4: Simplify right side
    218,719.39x = 35,651,694,284.17
  5. Step 5: Solve for x
    x = 35,651,694,284.17/218,719.39
  6. Step 6: Final answer
    x = 163,001.98

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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.