Home / 134,947.07-202,311.23-56,120.30

Finding the Fourth Proportional to 134,947.07, 202,311.23 and 56,120.30

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Solution

The fourth proportional to 134,947.07, 202,311.23 and 56,120.30 is: 84,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,947.07 : 202,311.23 = 56,120.30 : x
  2. Step 2: Convert to fraction form
    134,947.07/202,311.23 = 56,120.30/x
  3. Step 3: Cross multiply
    134,947.07x = 202,311.23 × 56,120.30
  4. Step 4: Simplify right side
    134,947.07x = 11,353,765,628.81
  5. Step 5: Solve for x
    x = 11,353,765,628.81/134,947.07
  6. Step 6: Final answer
    x = 84,134.96

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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.