Home / 135,585.15-203,388.12-45,628.31

Finding the Fourth Proportional to 135,585.15, 203,388.12 and 45,628.31

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Solution

The fourth proportional to 135,585.15, 203,388.12 and 45,628.31 is: 68,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,585.15 : 203,388.12 = 45,628.31 : x
  2. Step 2: Convert to fraction form
    135,585.15/203,388.12 = 45,628.31/x
  3. Step 3: Cross multiply
    135,585.15x = 203,388.12 × 45,628.31
  4. Step 4: Simplify right side
    135,585.15x = 9,280,255,172.74
  5. Step 5: Solve for x
    x = 9,280,255,172.74/135,585.15
  6. Step 6: Final answer
    x = 68,445.96

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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.