Home / 130,200.16-179,677.64-76,487.44

Finding the Fourth Proportional to 130,200.16, 179,677.64 and 76,487.44

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Solution

The fourth proportional to 130,200.16, 179,677.64 and 76,487.44 is: 105,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,200.16 : 179,677.64 = 76,487.44 : x
  2. Step 2: Convert to fraction form
    130,200.16/179,677.64 = 76,487.44/x
  3. Step 3: Cross multiply
    130,200.16x = 179,677.64 × 76,487.44
  4. Step 4: Simplify right side
    130,200.16x = 13,743,082,708.84
  5. Step 5: Solve for x
    x = 13,743,082,708.84/130,200.16
  6. Step 6: Final answer
    x = 105,553.50

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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.