Home / 192,973.64-266,303.65-108,090.70

Finding the Fourth Proportional to 192,973.64, 266,303.65 and 108,090.70

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Solution

The fourth proportional to 192,973.64, 266,303.65 and 108,090.70 is: 149,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,973.64 : 266,303.65 = 108,090.70 : x
  2. Step 2: Convert to fraction form
    192,973.64/266,303.65 = 108,090.70/x
  3. Step 3: Cross multiply
    192,973.64x = 266,303.65 × 108,090.70
  4. Step 4: Simplify right side
    192,973.64x = 28,784,948,705.70
  5. Step 5: Solve for x
    x = 28,784,948,705.70/192,973.64
  6. Step 6: Final answer
    x = 149,165.18

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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.