Home / 113,110.88-169,645.44-42,973.28

Finding the Fourth Proportional to 113,110.88, 169,645.44 and 42,973.28

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Solution

The fourth proportional to 113,110.88, 169,645.44 and 42,973.28 is: 64,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,110.88 : 169,645.44 = 42,973.28 : x
  2. Step 2: Convert to fraction form
    113,110.88/169,645.44 = 42,973.28/x
  3. Step 3: Cross multiply
    113,110.88x = 169,645.44 × 42,973.28
  4. Step 4: Simplify right side
    113,110.88x = 7,290,220,993.84
  5. Step 5: Solve for x
    x = 7,290,220,993.84/113,110.88
  6. Step 6: Final answer
    x = 64,451.99

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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.