Home / 145,693.28-218,540.64-45,861.32

Finding the Fourth Proportional to 145,693.28, 218,540.64 and 45,861.32

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Solution

The fourth proportional to 145,693.28, 218,540.64 and 45,861.32 is: 68,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,693.28 : 218,540.64 = 45,861.32 : x
  2. Step 2: Convert to fraction form
    145,693.28/218,540.64 = 45,861.32/x
  3. Step 3: Cross multiply
    145,693.28x = 218,540.64 × 45,861.32
  4. Step 4: Simplify right side
    145,693.28x = 10,022,562,224.04
  5. Step 5: Solve for x
    x = 10,022,562,224.04/145,693.28
  6. Step 6: Final answer
    x = 68,792.21

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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.