Home / 136,455.36-188,322.18-76,035.84

Finding the Fourth Proportional to 136,455.36, 188,322.18 and 76,035.84

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Solution

The fourth proportional to 136,455.36, 188,322.18 and 76,035.84 is: 104,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,455.36 : 188,322.18 = 76,035.84 : x
  2. Step 2: Convert to fraction form
    136,455.36/188,322.18 = 76,035.84/x
  3. Step 3: Cross multiply
    136,455.36x = 188,322.18 × 76,035.84
  4. Step 4: Simplify right side
    136,455.36x = 14,319,235,146.93
  5. Step 5: Solve for x
    x = 14,319,235,146.93/136,455.36
  6. Step 6: Final answer
    x = 104,937.14

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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.