Home / 126,753.62-190,317.34-70,703.24

Finding the Fourth Proportional to 126,753.62, 190,317.34 and 70,703.24

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Solution

The fourth proportional to 126,753.62, 190,317.34 and 70,703.24 is: 106,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,753.62 : 190,317.34 = 70,703.24 : x
  2. Step 2: Convert to fraction form
    126,753.62/190,317.34 = 70,703.24/x
  3. Step 3: Cross multiply
    126,753.62x = 190,317.34 × 70,703.24
  4. Step 4: Simplify right side
    126,753.62x = 13,456,052,566.18
  5. Step 5: Solve for x
    x = 13,456,052,566.18/126,753.62
  6. Step 6: Final answer
    x = 106,159.12

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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.