Home / 210,163.50-290,025.66-134,712.18

Finding the Fourth Proportional to 210,163.50, 290,025.66 and 134,712.18

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Solution

The fourth proportional to 210,163.50, 290,025.66 and 134,712.18 is: 185,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,163.50 : 290,025.66 = 134,712.18 : x
  2. Step 2: Convert to fraction form
    210,163.50/290,025.66 = 134,712.18/x
  3. Step 3: Cross multiply
    210,163.50x = 290,025.66 × 134,712.18
  4. Step 4: Simplify right side
    210,163.50x = 39,069,988,914.54
  5. Step 5: Solve for x
    x = 39,069,988,914.54/210,163.50
  6. Step 6: Final answer
    x = 185,902.83

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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.