Home / 140,507.28-193,811.40-98,050.32

Finding the Fourth Proportional to 140,507.28, 193,811.40 and 98,050.32

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Solution

The fourth proportional to 140,507.28, 193,811.40 and 98,050.32 is: 135,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,507.28 : 193,811.40 = 98,050.32 : x
  2. Step 2: Convert to fraction form
    140,507.28/193,811.40 = 98,050.32/x
  3. Step 3: Cross multiply
    140,507.28x = 193,811.40 × 98,050.32
  4. Step 4: Simplify right side
    140,507.28x = 19,003,269,789.65
  5. Step 5: Solve for x
    x = 19,003,269,789.65/140,507.28
  6. Step 6: Final answer
    x = 135,247.58

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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.