Home / 107,146.32-160,246.44-64,909.68

Finding the Fourth Proportional to 107,146.32, 160,246.44 and 64,909.68

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Solution

The fourth proportional to 107,146.32, 160,246.44 and 64,909.68 is: 97,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,146.32 : 160,246.44 = 64,909.68 : x
  2. Step 2: Convert to fraction form
    107,146.32/160,246.44 = 64,909.68/x
  3. Step 3: Cross multiply
    107,146.32x = 160,246.44 × 64,909.68
  4. Step 4: Simplify right side
    107,146.32x = 10,401,545,141.54
  5. Step 5: Solve for x
    x = 10,401,545,141.54/107,146.32
  6. Step 6: Final answer
    x = 97,077.95

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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.