Home / 134,841.64-202,437.42-103,698.76

Finding the Fourth Proportional to 134,841.64, 202,437.42 and 103,698.76

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Solution

The fourth proportional to 134,841.64, 202,437.42 and 103,698.76 is: 155,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,841.64 : 202,437.42 = 103,698.76 : x
  2. Step 2: Convert to fraction form
    134,841.64/202,437.42 = 103,698.76/x
  3. Step 3: Cross multiply
    134,841.64x = 202,437.42 × 103,698.76
  4. Step 4: Simplify right side
    134,841.64x = 20,992,509,431.60
  5. Step 5: Solve for x
    x = 20,992,509,431.60/134,841.64
  6. Step 6: Final answer
    x = 155,682.69

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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.