Home / 109,066.15-163,602.87-30,173.77

Finding the Fourth Proportional to 109,066.15, 163,602.87 and 30,173.77

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Solution

The fourth proportional to 109,066.15, 163,602.87 and 30,173.77 is: 45,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,066.15 : 163,602.87 = 30,173.77 : x
  2. Step 2: Convert to fraction form
    109,066.15/163,602.87 = 30,173.77/x
  3. Step 3: Cross multiply
    109,066.15x = 163,602.87 × 30,173.77
  4. Step 4: Simplify right side
    109,066.15x = 4,936,515,370.72
  5. Step 5: Solve for x
    x = 4,936,515,370.72/109,066.15
  6. Step 6: Final answer
    x = 45,261.66

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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.