Home / 239,207.13-358,818.90-126,735.21

Finding the Fourth Proportional to 239,207.13, 358,818.90 and 126,735.21

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Solution

The fourth proportional to 239,207.13, 358,818.90 and 126,735.21 is: 190,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,207.13 : 358,818.90 = 126,735.21 : x
  2. Step 2: Convert to fraction form
    239,207.13/358,818.90 = 126,735.21/x
  3. Step 3: Cross multiply
    239,207.13x = 358,818.90 × 126,735.21
  4. Step 4: Simplify right side
    239,207.13x = 45,474,988,643.47
  5. Step 5: Solve for x
    x = 45,474,988,643.47/239,207.13
  6. Step 6: Final answer
    x = 190,107.16

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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.