Home / 109,449.57-150,982.95-89,054.45

Finding the Fourth Proportional to 109,449.57, 150,982.95 and 89,054.45

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Solution

The fourth proportional to 109,449.57, 150,982.95 and 89,054.45 is: 122,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,449.57 : 150,982.95 = 89,054.45 : x
  2. Step 2: Convert to fraction form
    109,449.57/150,982.95 = 89,054.45/x
  3. Step 3: Cross multiply
    109,449.57x = 150,982.95 × 89,054.45
  4. Step 4: Simplify right side
    109,449.57x = 13,445,703,571.63
  5. Step 5: Solve for x
    x = 13,445,703,571.63/109,449.57
  6. Step 6: Final answer
    x = 122,848.39

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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.