Home / 159,283.41-219,807.06-86,683.22

Finding the Fourth Proportional to 159,283.41, 219,807.06 and 86,683.22

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Solution

The fourth proportional to 159,283.41, 219,807.06 and 86,683.22 is: 119,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,283.41 : 219,807.06 = 86,683.22 : x
  2. Step 2: Convert to fraction form
    159,283.41/219,807.06 = 86,683.22/x
  3. Step 3: Cross multiply
    159,283.41x = 219,807.06 × 86,683.22
  4. Step 4: Simplify right side
    159,283.41x = 19,053,582,640.50
  5. Step 5: Solve for x
    x = 19,053,582,640.50/159,283.41
  6. Step 6: Final answer
    x = 119,620.63

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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.