Home / 102,211.88-141,050.94-56,889.86

Finding the Fourth Proportional to 102,211.88, 141,050.94 and 56,889.86

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Solution

The fourth proportional to 102,211.88, 141,050.94 and 56,889.86 is: 78,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,211.88 : 141,050.94 = 56,889.86 : x
  2. Step 2: Convert to fraction form
    102,211.88/141,050.94 = 56,889.86/x
  3. Step 3: Cross multiply
    102,211.88x = 141,050.94 × 56,889.86
  4. Step 4: Simplify right side
    102,211.88x = 8,024,368,229.47
  5. Step 5: Solve for x
    x = 8,024,368,229.47/102,211.88
  6. Step 6: Final answer
    x = 78,507.20

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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.