Home / 143,287.22-197,737.52-89,603.36

Finding the Fourth Proportional to 143,287.22, 197,737.52 and 89,603.36

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Solution

The fourth proportional to 143,287.22, 197,737.52 and 89,603.36 is: 123,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,287.22 : 197,737.52 = 89,603.36 : x
  2. Step 2: Convert to fraction form
    143,287.22/197,737.52 = 89,603.36/x
  3. Step 3: Cross multiply
    143,287.22x = 197,737.52 × 89,603.36
  4. Step 4: Simplify right side
    143,287.22x = 17,717,944,753.36
  5. Step 5: Solve for x
    x = 17,717,944,753.36/143,287.22
  6. Step 6: Final answer
    x = 123,653.35

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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.