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Finding the Fourth Proportional to 107,685.66, 148,606.22 and 59,937.98

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Solution

The fourth proportional to 107,685.66, 148,606.22 and 59,937.98 is: 82,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,685.66 : 148,606.22 = 59,937.98 : x
  2. Step 2: Convert to fraction form
    107,685.66/148,606.22 = 59,937.98/x
  3. Step 3: Cross multiply
    107,685.66x = 148,606.22 × 59,937.98
  4. Step 4: Simplify right side
    107,685.66x = 8,907,156,714.06
  5. Step 5: Solve for x
    x = 8,907,156,714.06/107,685.66
  6. Step 6: Final answer
    x = 82,714.42

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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.