Home / 145,569.96-218,353.71-40,388.94

Finding the Fourth Proportional to 145,569.96, 218,353.71 and 40,388.94

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Solution

The fourth proportional to 145,569.96, 218,353.71 and 40,388.94 is: 60,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,569.96 : 218,353.71 = 40,388.94 : x
  2. Step 2: Convert to fraction form
    145,569.96/218,353.71 = 40,388.94/x
  3. Step 3: Cross multiply
    145,569.96x = 218,353.71 × 40,388.94
  4. Step 4: Simplify right side
    145,569.96x = 8,819,074,891.97
  5. Step 5: Solve for x
    x = 8,819,074,891.97/145,569.96
  6. Step 6: Final answer
    x = 60,583.07

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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.