Home / 145,349.33-218,028.11-40,168.31

Finding the Fourth Proportional to 145,349.33, 218,028.11 and 40,168.31

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Solution

The fourth proportional to 145,349.33, 218,028.11 and 40,168.31 is: 60,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,349.33 : 218,028.11 = 40,168.31 : x
  2. Step 2: Convert to fraction form
    145,349.33/218,028.11 = 40,168.31/x
  3. Step 3: Cross multiply
    145,349.33x = 218,028.11 × 40,168.31
  4. Step 4: Simplify right side
    145,349.33x = 8,757,819,420.21
  5. Step 5: Solve for x
    x = 8,757,819,420.21/145,349.33
  6. Step 6: Final answer
    x = 60,253.60

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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.