Home / 147,982.47-204,216.69-79,999.30

Finding the Fourth Proportional to 147,982.47, 204,216.69 and 79,999.30

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Solution

The fourth proportional to 147,982.47, 204,216.69 and 79,999.30 is: 110,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,982.47 : 204,216.69 = 79,999.30 : x
  2. Step 2: Convert to fraction form
    147,982.47/204,216.69 = 79,999.30/x
  3. Step 3: Cross multiply
    147,982.47x = 204,216.69 × 79,999.30
  4. Step 4: Simplify right side
    147,982.47x = 16,337,192,248.32
  5. Step 5: Solve for x
    x = 16,337,192,248.32/147,982.47
  6. Step 6: Final answer
    x = 110,399.51

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1.5x scale

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.