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Finding the Fourth Proportional to 132,656.59, 183,056.85 and 75,297.08

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Solution

The fourth proportional to 132,656.59, 183,056.85 and 75,297.08 is: 103,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,656.59 : 183,056.85 = 75,297.08 : x
  2. Step 2: Convert to fraction form
    132,656.59/183,056.85 = 75,297.08/x
  3. Step 3: Cross multiply
    132,656.59x = 183,056.85 × 75,297.08
  4. Step 4: Simplify right side
    132,656.59x = 13,783,646,279.00
  5. Step 5: Solve for x
    x = 13,783,646,279.00/132,656.59
  6. Step 6: Final answer
    x = 103,904.72

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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.