Home / 107,129.64-160,485.30-50,889.72

Finding the Fourth Proportional to 107,129.64, 160,485.30 and 50,889.72

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Solution

The fourth proportional to 107,129.64, 160,485.30 and 50,889.72 is: 76,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,129.64 : 160,485.30 = 50,889.72 : x
  2. Step 2: Convert to fraction form
    107,129.64/160,485.30 = 50,889.72/x
  3. Step 3: Cross multiply
    107,129.64x = 160,485.30 × 50,889.72
  4. Step 4: Simplify right side
    107,129.64x = 8,167,051,981.12
  5. Step 5: Solve for x
    x = 8,167,051,981.12/107,129.64
  6. Step 6: Final answer
    x = 76,235.22

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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.