Home / 135,612.30-203,418.45-37,116.30

Finding the Fourth Proportional to 135,612.30, 203,418.45 and 37,116.30

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Solution

The fourth proportional to 135,612.30, 203,418.45 and 37,116.30 is: 55,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,612.30 : 203,418.45 = 37,116.30 : x
  2. Step 2: Convert to fraction form
    135,612.30/203,418.45 = 37,116.30/x
  3. Step 3: Cross multiply
    135,612.30x = 203,418.45 × 37,116.30
  4. Step 4: Simplify right side
    135,612.30x = 7,550,140,215.74
  5. Step 5: Solve for x
    x = 7,550,140,215.74/135,612.30
  6. Step 6: Final answer
    x = 55,674.45

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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.