Home / 135,572.55-203,357.77-40,802.32

Finding the Fourth Proportional to 135,572.55, 203,357.77 and 40,802.32

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Solution

The fourth proportional to 135,572.55, 203,357.77 and 40,802.32 is: 61,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,572.55 : 203,357.77 = 40,802.32 : x
  2. Step 2: Convert to fraction form
    135,572.55/203,357.77 = 40,802.32/x
  3. Step 3: Cross multiply
    135,572.55x = 203,357.77 × 40,802.32
  4. Step 4: Simplify right side
    135,572.55x = 8,297,468,806.03
  5. Step 5: Solve for x
    x = 8,297,468,806.03/135,572.55
  6. Step 6: Final answer
    x = 61,203.16

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1.5x scale

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.