Home / 136,416.77-188,230.19-75,985.87

Finding the Fourth Proportional to 136,416.77, 188,230.19 and 75,985.87

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Solution

The fourth proportional to 136,416.77, 188,230.19 and 75,985.87 is: 104,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,416.77 : 188,230.19 = 75,985.87 : x
  2. Step 2: Convert to fraction form
    136,416.77/188,230.19 = 75,985.87/x
  3. Step 3: Cross multiply
    136,416.77x = 188,230.19 × 75,985.87
  4. Step 4: Simplify right side
    136,416.77x = 14,302,834,747.42
  5. Step 5: Solve for x
    x = 14,302,834,747.42/136,416.77
  6. Step 6: Final answer
    x = 104,846.60

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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.