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Finding the Fourth Proportional to 115,192.58, 158,973.03 and 69,874.83

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Solution

The fourth proportional to 115,192.58, 158,973.03 and 69,874.83 is: 96,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,192.58 : 158,973.03 = 69,874.83 : x
  2. Step 2: Convert to fraction form
    115,192.58/158,973.03 = 69,874.83/x
  3. Step 3: Cross multiply
    115,192.58x = 158,973.03 × 69,874.83
  4. Step 4: Simplify right side
    115,192.58x = 11,108,213,445.83
  5. Step 5: Solve for x
    x = 11,108,213,445.83/115,192.58
  6. Step 6: Final answer
    x = 96,431.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.