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Finding the Fourth Proportional to 137,080.53, 205,480.59 and 52,807.68

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Solution

The fourth proportional to 137,080.53, 205,480.59 and 52,807.68 is: 79,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,080.53 : 205,480.59 = 52,807.68 : x
  2. Step 2: Convert to fraction form
    137,080.53/205,480.59 = 52,807.68/x
  3. Step 3: Cross multiply
    137,080.53x = 205,480.59 × 52,807.68
  4. Step 4: Simplify right side
    137,080.53x = 10,850,953,242.93
  5. Step 5: Solve for x
    x = 10,850,953,242.93/137,080.53
  6. Step 6: Final answer
    x = 79,157.51

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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.