Home / 102,761.57-141,811.94-60,320.81

Finding the Fourth Proportional to 102,761.57, 141,811.94 and 60,320.81

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Solution

The fourth proportional to 102,761.57, 141,811.94 and 60,320.81 is: 83,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,761.57 : 141,811.94 = 60,320.81 : x
  2. Step 2: Convert to fraction form
    102,761.57/141,811.94 = 60,320.81/x
  3. Step 3: Cross multiply
    102,761.57x = 141,811.94 × 60,320.81
  4. Step 4: Simplify right side
    102,761.57x = 8,554,211,088.47
  5. Step 5: Solve for x
    x = 8,554,211,088.47/102,761.57
  6. Step 6: Final answer
    x = 83,243.29

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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.