Home / 88,367.36-132,186.54-56,728.76

Finding the Fourth Proportional to 88,367.36, 132,186.54 and 56,728.76

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Solution

The fourth proportional to 88,367.36, 132,186.54 and 56,728.76 is: 84,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,367.36 : 132,186.54 = 56,728.76 : x
  2. Step 2: Convert to fraction form
    88,367.36/132,186.54 = 56,728.76/x
  3. Step 3: Cross multiply
    88,367.36x = 132,186.54 × 56,728.76
  4. Step 4: Simplify right side
    88,367.36x = 7,498,778,502.89
  5. Step 5: Solve for x
    x = 7,498,778,502.89/88,367.36
  6. Step 6: Final answer
    x = 84,859.14

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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.