Home / 155,998.06-215,277.29-88,014.43

Finding the Fourth Proportional to 155,998.06, 215,277.29 and 88,014.43

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Solution

The fourth proportional to 155,998.06, 215,277.29 and 88,014.43 is: 121,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,998.06 : 215,277.29 = 88,014.43 : x
  2. Step 2: Convert to fraction form
    155,998.06/215,277.29 = 88,014.43/x
  3. Step 3: Cross multiply
    155,998.06x = 215,277.29 × 88,014.43
  4. Step 4: Simplify right side
    155,998.06x = 18,947,507,614.39
  5. Step 5: Solve for x
    x = 18,947,507,614.39/155,998.06
  6. Step 6: Final answer
    x = 121,459.89

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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.