Home / 147,837.50-204,015.83-79,854.47

Finding the Fourth Proportional to 147,837.50, 204,015.83 and 79,854.47

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Solution

The fourth proportional to 147,837.50, 204,015.83 and 79,854.47 is: 110,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,837.50 : 204,015.83 = 79,854.47 : x
  2. Step 2: Convert to fraction form
    147,837.50/204,015.83 = 79,854.47/x
  3. Step 3: Cross multiply
    147,837.50x = 204,015.83 × 79,854.47
  4. Step 4: Simplify right side
    147,837.50x = 16,291,575,976.26
  5. Step 5: Solve for x
    x = 16,291,575,976.26/147,837.50
  6. Step 6: Final answer
    x = 110,199.21

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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.