Home / 102,343.08-141,223.86-75,500.50

Finding the Fourth Proportional to 102,343.08, 141,223.86 and 75,500.50

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Solution

The fourth proportional to 102,343.08, 141,223.86 and 75,500.50 is: 104,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,343.08 : 141,223.86 = 75,500.50 : x
  2. Step 2: Convert to fraction form
    102,343.08/141,223.86 = 75,500.50/x
  3. Step 3: Cross multiply
    102,343.08x = 141,223.86 × 75,500.50
  4. Step 4: Simplify right side
    102,343.08x = 10,662,472,041.93
  5. Step 5: Solve for x
    x = 10,662,472,041.93/102,343.08
  6. Step 6: Final answer
    x = 104,183.61

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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.