Home / 151,838.12-209,536.60-88,180.02

Finding the Fourth Proportional to 151,838.12, 209,536.60 and 88,180.02

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Solution

The fourth proportional to 151,838.12, 209,536.60 and 88,180.02 is: 121,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,838.12 : 209,536.60 = 88,180.02 : x
  2. Step 2: Convert to fraction form
    151,838.12/209,536.60 = 88,180.02/x
  3. Step 3: Cross multiply
    151,838.12x = 209,536.60 × 88,180.02
  4. Step 4: Simplify right side
    151,838.12x = 18,476,940,903.19
  5. Step 5: Solve for x
    x = 18,476,940,903.19/151,838.12
  6. Step 6: Final answer
    x = 121,688.42

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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.