Home / 240,056.19-360,137.85-90,297.72

Finding the Fourth Proportional to 240,056.19, 360,137.85 and 90,297.72

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Solution

The fourth proportional to 240,056.19, 360,137.85 and 90,297.72 is: 135,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,056.19 : 360,137.85 = 90,297.72 : x
  2. Step 2: Convert to fraction form
    240,056.19/360,137.85 = 90,297.72/x
  3. Step 3: Cross multiply
    240,056.19x = 360,137.85 × 90,297.72
  4. Step 4: Simplify right side
    240,056.19x = 32,519,626,740.70
  5. Step 5: Solve for x
    x = 32,519,626,740.70/240,056.19
  6. Step 6: Final answer
    x = 135,466.73

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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.