Home / 132,719.24-183,150.99-72,289.69

Finding the Fourth Proportional to 132,719.24, 183,150.99 and 72,289.69

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Solution

The fourth proportional to 132,719.24, 183,150.99 and 72,289.69 is: 99,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,719.24 : 183,150.99 = 72,289.69 : x
  2. Step 2: Convert to fraction form
    132,719.24/183,150.99 = 72,289.69/x
  3. Step 3: Cross multiply
    132,719.24x = 183,150.99 × 72,289.69
  4. Step 4: Simplify right side
    132,719.24x = 13,239,927,832.42
  5. Step 5: Solve for x
    x = 13,239,927,832.42/132,719.24
  6. Step 6: Final answer
    x = 99,758.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.