Home / 99,974.70-149,905.35-40,741.02

Finding the Fourth Proportional to 99,974.70, 149,905.35 and 40,741.02

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Solution

The fourth proportional to 99,974.70, 149,905.35 and 40,741.02 is: 61,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,974.70 : 149,905.35 = 40,741.02 : x
  2. Step 2: Convert to fraction form
    99,974.70/149,905.35 = 40,741.02/x
  3. Step 3: Cross multiply
    99,974.70x = 149,905.35 × 40,741.02
  4. Step 4: Simplify right side
    99,974.70x = 6,107,296,862.46
  5. Step 5: Solve for x
    x = 6,107,296,862.46/99,974.70
  6. Step 6: Final answer
    x = 61,088.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.