Home / 134,384.64-185,452.20-77,022.72

Finding the Fourth Proportional to 134,384.64, 185,452.20 and 77,022.72

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Solution

The fourth proportional to 134,384.64, 185,452.20 and 77,022.72 is: 106,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,384.64 : 185,452.20 = 77,022.72 : x
  2. Step 2: Convert to fraction form
    134,384.64/185,452.20 = 77,022.72/x
  3. Step 3: Cross multiply
    134,384.64x = 185,452.20 × 77,022.72
  4. Step 4: Simplify right side
    134,384.64x = 14,284,032,873.98
  5. Step 5: Solve for x
    x = 14,284,032,873.98/134,384.64
  6. Step 6: Final answer
    x = 106,292.15

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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.