Home / 188,621.94-260,298.69-103,737.30

Finding the Fourth Proportional to 188,621.94, 260,298.69 and 103,737.30

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Solution

The fourth proportional to 188,621.94, 260,298.69 and 103,737.30 is: 143,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,621.94 : 260,298.69 = 103,737.30 : x
  2. Step 2: Convert to fraction form
    188,621.94/260,298.69 = 103,737.30/x
  3. Step 3: Cross multiply
    188,621.94x = 260,298.69 × 103,737.30
  4. Step 4: Simplify right side
    188,621.94x = 27,002,683,294.14
  5. Step 5: Solve for x
    x = 27,002,683,294.14/188,621.94
  6. Step 6: Final answer
    x = 143,157.70

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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.