Home / 145,455.42-218,182.77-40,274.04

Finding the Fourth Proportional to 145,455.42, 218,182.77 and 40,274.04

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Solution

The fourth proportional to 145,455.42, 218,182.77 and 40,274.04 is: 60,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,455.42 : 218,182.77 = 40,274.04 : x
  2. Step 2: Convert to fraction form
    145,455.42/218,182.77 = 40,274.04/x
  3. Step 3: Cross multiply
    145,455.42x = 218,182.77 × 40,274.04
  4. Step 4: Simplify right side
    145,455.42x = 8,787,101,606.29
  5. Step 5: Solve for x
    x = 8,787,101,606.29/145,455.42
  6. Step 6: Final answer
    x = 60,410.96

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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.