Home / 102,002.22-152,719.56-51,974.46

Finding the Fourth Proportional to 102,002.22, 152,719.56 and 51,974.46

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Solution

The fourth proportional to 102,002.22, 152,719.56 and 51,974.46 is: 77,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.22 : 152,719.56 = 51,974.46 : x
  2. Step 2: Convert to fraction form
    102,002.22/152,719.56 = 51,974.46/x
  3. Step 3: Cross multiply
    102,002.22x = 152,719.56 × 51,974.46
  4. Step 4: Simplify right side
    102,002.22x = 7,937,516,662.44
  5. Step 5: Solve for x
    x = 7,937,516,662.44/102,002.22
  6. Step 6: Final answer
    x = 77,817.10

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1.5x scale

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.