Home / 187,830.93-281,739.11-75,477.45

Finding the Fourth Proportional to 187,830.93, 281,739.11 and 75,477.45

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Solution

The fourth proportional to 187,830.93, 281,739.11 and 75,477.45 is: 113,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,830.93 : 281,739.11 = 75,477.45 : x
  2. Step 2: Convert to fraction form
    187,830.93/281,739.11 = 75,477.45/x
  3. Step 3: Cross multiply
    187,830.93x = 281,739.11 × 75,477.45
  4. Step 4: Simplify right side
    187,830.93x = 21,264,949,210.68
  5. Step 5: Solve for x
    x = 21,264,949,210.68/187,830.93
  6. Step 6: Final answer
    x = 113,213.25

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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.