Home / 147,090.56-202,979.04-83,426.96

Finding the Fourth Proportional to 147,090.56, 202,979.04 and 83,426.96

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Solution

The fourth proportional to 147,090.56, 202,979.04 and 83,426.96 is: 115,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,090.56 : 202,979.04 = 83,426.96 : x
  2. Step 2: Convert to fraction form
    147,090.56/202,979.04 = 83,426.96/x
  3. Step 3: Cross multiply
    147,090.56x = 202,979.04 × 83,426.96
  4. Step 4: Simplify right side
    147,090.56x = 16,933,924,250.92
  5. Step 5: Solve for x
    x = 16,933,924,250.92/147,090.56
  6. Step 6: Final answer
    x = 115,125.84

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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.