Home / 155,071.26-213,998.49-88,003.26

Finding the Fourth Proportional to 155,071.26, 213,998.49 and 88,003.26

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Solution

The fourth proportional to 155,071.26, 213,998.49 and 88,003.26 is: 121,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,071.26 : 213,998.49 = 88,003.26 : x
  2. Step 2: Convert to fraction form
    155,071.26/213,998.49 = 88,003.26/x
  3. Step 3: Cross multiply
    155,071.26x = 213,998.49 × 88,003.26
  4. Step 4: Simplify right side
    155,071.26x = 18,832,564,755.08
  5. Step 5: Solve for x
    x = 18,832,564,755.08/155,071.26
  6. Step 6: Final answer
    x = 121,444.58

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1.5x scale

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.