Home / 99,444.35-149,143.75-28,365.64

Finding the Fourth Proportional to 99,444.35, 149,143.75 and 28,365.64

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Solution

The fourth proportional to 99,444.35, 149,143.75 and 28,365.64 is: 42,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,444.35 : 149,143.75 = 28,365.64 : x
  2. Step 2: Convert to fraction form
    99,444.35/149,143.75 = 28,365.64/x
  3. Step 3: Cross multiply
    99,444.35x = 149,143.75 × 28,365.64
  4. Step 4: Simplify right side
    99,444.35x = 4,230,557,476.98
  5. Step 5: Solve for x
    x = 4,230,557,476.98/99,444.35
  6. Step 6: Final answer
    x = 42,541.96

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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.