Home / 147,999.19-204,234.74-80,929.75

Finding the Fourth Proportional to 147,999.19, 204,234.74 and 80,929.75

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Solution

The fourth proportional to 147,999.19, 204,234.74 and 80,929.75 is: 111,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,999.19 : 204,234.74 = 80,929.75 : x
  2. Step 2: Convert to fraction form
    147,999.19/204,234.74 = 80,929.75/x
  3. Step 3: Cross multiply
    147,999.19x = 204,234.74 × 80,929.75
  4. Step 4: Simplify right side
    147,999.19x = 16,528,666,044.87
  5. Step 5: Solve for x
    x = 16,528,666,044.87/147,999.19
  6. Step 6: Final answer
    x = 111,680.79

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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.