Home / 132,691.53-183,114.50-72,262.43

Finding the Fourth Proportional to 132,691.53, 183,114.50 and 72,262.43

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Solution

The fourth proportional to 132,691.53, 183,114.50 and 72,262.43 is: 99,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,691.53 : 183,114.50 = 72,262.43 : x
  2. Step 2: Convert to fraction form
    132,691.53/183,114.50 = 72,262.43/x
  3. Step 3: Cross multiply
    132,691.53x = 183,114.50 × 72,262.43
  4. Step 4: Simplify right side
    132,691.53x = 13,232,297,461.35
  5. Step 5: Solve for x
    x = 13,232,297,461.35/132,691.53
  6. Step 6: Final answer
    x = 99,722.25

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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.