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Finding the Fourth Proportional to 145,195.31, 217,801.17 and 51,701.06

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Solution

The fourth proportional to 145,195.31, 217,801.17 and 51,701.06 is: 77,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,195.31 : 217,801.17 = 51,701.06 : x
  2. Step 2: Convert to fraction form
    145,195.31/217,801.17 = 51,701.06/x
  3. Step 3: Cross multiply
    145,195.31x = 217,801.17 × 51,701.06
  4. Step 4: Simplify right side
    145,195.31x = 11,260,551,902.74
  5. Step 5: Solve for x
    x = 11,260,551,902.74/145,195.31
  6. Step 6: Final answer
    x = 77,554.51

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1.5x scale

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.