Home / 102,324.37-141,211.98-57,002.30

Finding the Fourth Proportional to 102,324.37, 141,211.98 and 57,002.30

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Solution

The fourth proportional to 102,324.37, 141,211.98 and 57,002.30 is: 78,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,324.37 : 141,211.98 = 57,002.30 : x
  2. Step 2: Convert to fraction form
    102,324.37/141,211.98 = 57,002.30/x
  3. Step 3: Cross multiply
    102,324.37x = 141,211.98 × 57,002.30
  4. Step 4: Simplify right side
    102,324.37x = 8,049,407,647.55
  5. Step 5: Solve for x
    x = 8,049,407,647.55/102,324.37
  6. Step 6: Final answer
    x = 78,665.60

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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.