Home / 155,645.20-233,430.94-71,352.82

Finding the Fourth Proportional to 155,645.20, 233,430.94 and 71,352.82

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Solution

The fourth proportional to 155,645.20, 233,430.94 and 71,352.82 is: 107,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,645.20 : 233,430.94 = 71,352.82 : x
  2. Step 2: Convert to fraction form
    155,645.20/233,430.94 = 71,352.82/x
  3. Step 3: Cross multiply
    155,645.20x = 233,430.94 × 71,352.82
  4. Step 4: Simplify right side
    155,645.20x = 16,655,955,844.25
  5. Step 5: Solve for x
    x = 16,655,955,844.25/155,645.20
  6. Step 6: Final answer
    x = 107,012.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.