Home / 143,746.49-198,370.05-83,352.26

Finding the Fourth Proportional to 143,746.49, 198,370.05 and 83,352.26

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Solution

The fourth proportional to 143,746.49, 198,370.05 and 83,352.26 is: 115,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,746.49 : 198,370.05 = 83,352.26 : x
  2. Step 2: Convert to fraction form
    143,746.49/198,370.05 = 83,352.26/x
  3. Step 3: Cross multiply
    143,746.49x = 198,370.05 × 83,352.26
  4. Step 4: Simplify right side
    143,746.49x = 16,534,591,983.81
  5. Step 5: Solve for x
    x = 16,534,591,983.81/143,746.49
  6. Step 6: Final answer
    x = 115,026.06

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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.