Home / 145,441.32-218,162.28-40,260.60

Finding the Fourth Proportional to 145,441.32, 218,162.28 and 40,260.60

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Solution

The fourth proportional to 145,441.32, 218,162.28 and 40,260.60 is: 60,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,441.32 : 218,162.28 = 40,260.60 : x
  2. Step 2: Convert to fraction form
    145,441.32/218,162.28 = 40,260.60/x
  3. Step 3: Cross multiply
    145,441.32x = 218,162.28 × 40,260.60
  4. Step 4: Simplify right side
    145,441.32x = 8,783,344,290.17
  5. Step 5: Solve for x
    x = 8,783,344,290.17/145,441.32
  6. Step 6: Final answer
    x = 60,390.98

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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.