Home / 151,993.80-209,752.26-83,083.35

Finding the Fourth Proportional to 151,993.80, 209,752.26 and 83,083.35

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Solution

The fourth proportional to 151,993.80, 209,752.26 and 83,083.35 is: 114,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,993.80 : 209,752.26 = 83,083.35 : x
  2. Step 2: Convert to fraction form
    151,993.80/209,752.26 = 83,083.35/x
  3. Step 3: Cross multiply
    151,993.80x = 209,752.26 × 83,083.35
  4. Step 4: Simplify right side
    151,993.80x = 17,426,920,430.87
  5. Step 5: Solve for x
    x = 17,426,920,430.87/151,993.80
  6. Step 6: Final answer
    x = 114,655.47

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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.