Home / 134,336.32-201,528.96-55,406.72

Finding the Fourth Proportional to 134,336.32, 201,528.96 and 55,406.72

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Solution

The fourth proportional to 134,336.32, 201,528.96 and 55,406.72 is: 83,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,336.32 : 201,528.96 = 55,406.72 : x
  2. Step 2: Convert to fraction form
    134,336.32/201,528.96 = 55,406.72/x
  3. Step 3: Cross multiply
    134,336.32x = 201,528.96 × 55,406.72
  4. Step 4: Simplify right side
    134,336.32x = 11,166,058,658.61
  5. Step 5: Solve for x
    x = 11,166,058,658.61/134,336.32
  6. Step 6: Final answer
    x = 83,120.18

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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.