Home / 142,943.36-197,297.70-97,080.62

Finding the Fourth Proportional to 142,943.36, 197,297.70 and 97,080.62

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Solution

The fourth proportional to 142,943.36, 197,297.70 and 97,080.62 is: 133,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,943.36 : 197,297.70 = 97,080.62 : x
  2. Step 2: Convert to fraction form
    142,943.36/197,297.70 = 97,080.62/x
  3. Step 3: Cross multiply
    142,943.36x = 197,297.70 × 97,080.62
  4. Step 4: Simplify right side
    142,943.36x = 19,153,783,040.57
  5. Step 5: Solve for x
    x = 19,153,783,040.57/142,943.36
  6. Step 6: Final answer
    x = 133,995.61

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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.