Home / 132,621.88-183,020.53-72,194.26

Finding the Fourth Proportional to 132,621.88, 183,020.53 and 72,194.26

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Solution

The fourth proportional to 132,621.88, 183,020.53 and 72,194.26 is: 99,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,621.88 : 183,020.53 = 72,194.26 : x
  2. Step 2: Convert to fraction form
    132,621.88/183,020.53 = 72,194.26/x
  3. Step 3: Cross multiply
    132,621.88x = 183,020.53 × 72,194.26
  4. Step 4: Simplify right side
    132,621.88x = 13,213,031,728.16
  5. Step 5: Solve for x
    x = 13,213,031,728.16/132,621.88
  6. Step 6: Final answer
    x = 99,629.35

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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.