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Finding the Fourth Proportional to 125,803.48, 188,705.22 and 32,309.32

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Solution

The fourth proportional to 125,803.48, 188,705.22 and 32,309.32 is: 48,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,803.48 : 188,705.22 = 32,309.32 : x
  2. Step 2: Convert to fraction form
    125,803.48/188,705.22 = 32,309.32/x
  3. Step 3: Cross multiply
    125,803.48x = 188,705.22 × 32,309.32
  4. Step 4: Simplify right side
    125,803.48x = 6,096,937,338.65
  5. Step 5: Solve for x
    x = 6,096,937,338.65/125,803.48
  6. Step 6: Final answer
    x = 48,463.98

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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.