Home / 136,465.24-188,335.88-76,045.72

Finding the Fourth Proportional to 136,465.24, 188,335.88 and 76,045.72

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Solution

The fourth proportional to 136,465.24, 188,335.88 and 76,045.72 is: 104,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,465.24 : 188,335.88 = 76,045.72 : x
  2. Step 2: Convert to fraction form
    136,465.24/188,335.88 = 76,045.72/x
  3. Step 3: Cross multiply
    136,465.24x = 188,335.88 × 76,045.72
  4. Step 4: Simplify right side
    136,465.24x = 14,322,137,596.43
  5. Step 5: Solve for x
    x = 14,322,137,596.43/136,465.24
  6. Step 6: Final answer
    x = 104,950.81

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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.