Home / 132,671.89-183,087.07-72,242.96

Finding the Fourth Proportional to 132,671.89, 183,087.07 and 72,242.96

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Solution

The fourth proportional to 132,671.89, 183,087.07 and 72,242.96 is: 99,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,671.89 : 183,087.07 = 72,242.96 : x
  2. Step 2: Convert to fraction form
    132,671.89/183,087.07 = 72,242.96/x
  3. Step 3: Cross multiply
    132,671.89x = 183,087.07 × 72,242.96
  4. Step 4: Simplify right side
    132,671.89x = 13,226,750,778.48
  5. Step 5: Solve for x
    x = 13,226,750,778.48/132,671.89
  6. Step 6: Final answer
    x = 99,695.20

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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.