Home / 136,462.24-188,315.64-76,037.20

Finding the Fourth Proportional to 136,462.24, 188,315.64 and 76,037.20

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Solution

The fourth proportional to 136,462.24, 188,315.64 and 76,037.20 is: 104,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,462.24 : 188,315.64 = 76,037.20 : x
  2. Step 2: Convert to fraction form
    136,462.24/188,315.64 = 76,037.20/x
  3. Step 3: Cross multiply
    136,462.24x = 188,315.64 × 76,037.20
  4. Step 4: Simplify right side
    136,462.24x = 14,318,993,981.81
  5. Step 5: Solve for x
    x = 14,318,993,981.81/136,462.24
  6. Step 6: Final answer
    x = 104,930.08

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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.