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Finding the Fourth Proportional to 134,634, 185,792.47 and 73,380.72

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Solution

The fourth proportional to 134,634, 185,792.47 and 73,380.72 is: 101,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,634 : 185,792.47 = 73,380.72 : x
  2. Step 2: Convert to fraction form
    134,634/185,792.47 = 73,380.72/x
  3. Step 3: Cross multiply
    134,634x = 185,792.47 × 73,380.72
  4. Step 4: Simplify right side
    134,634x = 13,633,585,219.18
  5. Step 5: Solve for x
    x = 13,633,585,219.18/134,634
  6. Step 6: Final answer
    x = 101,264.06

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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.