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Finding the Fourth Proportional to 107,089.26, 147,784.42 and 59,343.42

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Solution

The fourth proportional to 107,089.26, 147,784.42 and 59,343.42 is: 81,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,089.26 : 147,784.42 = 59,343.42 : x
  2. Step 2: Convert to fraction form
    107,089.26/147,784.42 = 59,343.42/x
  3. Step 3: Cross multiply
    107,089.26x = 147,784.42 × 59,343.42
  4. Step 4: Simplify right side
    107,089.26x = 8,770,032,905.52
  5. Step 5: Solve for x
    x = 8,770,032,905.52/107,089.26
  6. Step 6: Final answer
    x = 81,894.61

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1.5x scale

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.