Home / 107,385.98-161,066.44-28,506.32

Finding the Fourth Proportional to 107,385.98, 161,066.44 and 28,506.32

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Solution

The fourth proportional to 107,385.98, 161,066.44 and 28,506.32 is: 42,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,385.98 : 161,066.44 = 28,506.32 : x
  2. Step 2: Convert to fraction form
    107,385.98/161,066.44 = 28,506.32/x
  3. Step 3: Cross multiply
    107,385.98x = 161,066.44 × 28,506.32
  4. Step 4: Simplify right side
    107,385.98x = 4,591,411,479.90
  5. Step 5: Solve for x
    x = 4,591,411,479.90/107,385.98
  6. Step 6: Final answer
    x = 42,756.15

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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.