Home / 134,840.64-202,435.92-103,697.76

Finding the Fourth Proportional to 134,840.64, 202,435.92 and 103,697.76

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Solution

The fourth proportional to 134,840.64, 202,435.92 and 103,697.76 is: 155,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,840.64 : 202,435.92 = 103,697.76 : x
  2. Step 2: Convert to fraction form
    134,840.64/202,435.92 = 103,697.76/x
  3. Step 3: Cross multiply
    134,840.64x = 202,435.92 × 103,697.76
  4. Step 4: Simplify right side
    134,840.64x = 20,992,151,447.54
  5. Step 5: Solve for x
    x = 20,992,151,447.54/134,840.64
  6. Step 6: Final answer
    x = 155,681.19

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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.