Home / 158,983.69-219,395.01-87,362.17

Finding the Fourth Proportional to 158,983.69, 219,395.01 and 87,362.17

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Solution

The fourth proportional to 158,983.69, 219,395.01 and 87,362.17 is: 120,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,983.69 : 219,395.01 = 87,362.17 : x
  2. Step 2: Convert to fraction form
    158,983.69/219,395.01 = 87,362.17/x
  3. Step 3: Cross multiply
    158,983.69x = 219,395.01 × 87,362.17
  4. Step 4: Simplify right side
    158,983.69x = 19,166,824,160.77
  5. Step 5: Solve for x
    x = 19,166,824,160.77/158,983.69
  6. Step 6: Final answer
    x = 120,558.43

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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.