Home / 135,317.14-203,005.61-40,543.46

Finding the Fourth Proportional to 135,317.14, 203,005.61 and 40,543.46

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Solution

The fourth proportional to 135,317.14, 203,005.61 and 40,543.46 is: 60,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,317.14 : 203,005.61 = 40,543.46 : x
  2. Step 2: Convert to fraction form
    135,317.14/203,005.61 = 40,543.46/x
  3. Step 3: Cross multiply
    135,317.14x = 203,005.61 × 40,543.46
  4. Step 4: Simplify right side
    135,317.14x = 8,230,549,828.81
  5. Step 5: Solve for x
    x = 8,230,549,828.81/135,317.14
  6. Step 6: Final answer
    x = 60,824.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.