Home / 132,748.03-183,191.37-72,318.72

Finding the Fourth Proportional to 132,748.03, 183,191.37 and 72,318.72

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Solution

The fourth proportional to 132,748.03, 183,191.37 and 72,318.72 is: 99,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,748.03 : 183,191.37 = 72,318.72 : x
  2. Step 2: Convert to fraction form
    132,748.03/183,191.37 = 72,318.72/x
  3. Step 3: Cross multiply
    132,748.03x = 183,191.37 × 72,318.72
  4. Step 4: Simplify right side
    132,748.03x = 13,248,165,393.45
  5. Step 5: Solve for x
    x = 13,248,165,393.45/132,748.03
  6. Step 6: Final answer
    x = 99,799.34

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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.