Home / 134,947.57-202,311.98-56,120.80

Finding the Fourth Proportional to 134,947.57, 202,311.98 and 56,120.80

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Solution

The fourth proportional to 134,947.57, 202,311.98 and 56,120.80 is: 84,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,947.57 : 202,311.98 = 56,120.80 : x
  2. Step 2: Convert to fraction form
    134,947.57/202,311.98 = 56,120.80/x
  3. Step 3: Cross multiply
    134,947.57x = 202,311.98 × 56,120.80
  4. Step 4: Simplify right side
    134,947.57x = 11,353,908,875.02
  5. Step 5: Solve for x
    x = 11,353,908,875.02/134,947.57
  6. Step 6: Final answer
    x = 84,135.71

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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.