Home / 145,712.16-218,568.60-40,531.14

Finding the Fourth Proportional to 145,712.16, 218,568.60 and 40,531.14

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Solution

The fourth proportional to 145,712.16, 218,568.60 and 40,531.14 is: 60,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,712.16 : 218,568.60 = 40,531.14 : x
  2. Step 2: Convert to fraction form
    145,712.16/218,568.60 = 40,531.14/x
  3. Step 3: Cross multiply
    145,712.16x = 218,568.60 × 40,531.14
  4. Step 4: Simplify right side
    145,712.16x = 8,858,834,526.20
  5. Step 5: Solve for x
    x = 8,858,834,526.20/145,712.16
  6. Step 6: Final answer
    x = 60,796.81

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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.