Home / 142,364.16-213,546.21-130,484.54

Finding the Fourth Proportional to 142,364.16, 213,546.21 and 130,484.54

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Solution

The fourth proportional to 142,364.16, 213,546.21 and 130,484.54 is: 195,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,364.16 : 213,546.21 = 130,484.54 : x
  2. Step 2: Convert to fraction form
    142,364.16/213,546.21 = 130,484.54/x
  3. Step 3: Cross multiply
    142,364.16x = 213,546.21 × 130,484.54
  4. Step 4: Simplify right side
    142,364.16x = 27,864,477,912.86
  5. Step 5: Solve for x
    x = 27,864,477,912.86/142,364.16
  6. Step 6: Final answer
    x = 195,726.78

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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.