Home / 74,157.00-102,335.84-40,164.64

Finding the Fourth Proportional to 74,157.00, 102,335.84 and 40,164.64

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Solution

The fourth proportional to 74,157.00, 102,335.84 and 40,164.64 is: 55,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,157.00 : 102,335.84 = 40,164.64 : x
  2. Step 2: Convert to fraction form
    74,157.00/102,335.84 = 40,164.64/x
  3. Step 3: Cross multiply
    74,157.00x = 102,335.84 × 40,164.64
  4. Step 4: Simplify right side
    74,157.00x = 4,110,282,145.19
  5. Step 5: Solve for x
    x = 4,110,282,145.19/74,157.00
  6. Step 6: Final answer
    x = 55,426.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.