Home / 122,086.16-183,090.36-38,960.72

Finding the Fourth Proportional to 122,086.16, 183,090.36 and 38,960.72

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Solution

The fourth proportional to 122,086.16, 183,090.36 and 38,960.72 is: 58,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,086.16 : 183,090.36 = 38,960.72 : x
  2. Step 2: Convert to fraction form
    122,086.16/183,090.36 = 38,960.72/x
  3. Step 3: Cross multiply
    122,086.16x = 183,090.36 × 38,960.72
  4. Step 4: Simplify right side
    122,086.16x = 7,133,332,250.66
  5. Step 5: Solve for x
    x = 7,133,332,250.66/122,086.16
  6. Step 6: Final answer
    x = 58,428.67

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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.