Home / 113,404.36-169,912.14-80,064.76

Finding the Fourth Proportional to 113,404.36, 169,912.14 and 80,064.76

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Solution

The fourth proportional to 113,404.36, 169,912.14 and 80,064.76 is: 119,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,404.36 : 169,912.14 = 80,064.76 : x
  2. Step 2: Convert to fraction form
    113,404.36/169,912.14 = 80,064.76/x
  3. Step 3: Cross multiply
    113,404.36x = 169,912.14 × 80,064.76
  4. Step 4: Simplify right side
    113,404.36x = 13,603,974,710.19
  5. Step 5: Solve for x
    x = 13,603,974,710.19/113,404.36
  6. Step 6: Final answer
    x = 119,959.89

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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.