Home / 179,669.63-247,819.77-145,679.55

Finding the Fourth Proportional to 179,669.63, 247,819.77 and 145,679.55

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Solution

The fourth proportional to 179,669.63, 247,819.77 and 145,679.55 is: 200,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,669.63 : 247,819.77 = 145,679.55 : x
  2. Step 2: Convert to fraction form
    179,669.63/247,819.77 = 145,679.55/x
  3. Step 3: Cross multiply
    179,669.63x = 247,819.77 × 145,679.55
  4. Step 4: Simplify right side
    179,669.63x = 36,102,272,574.70
  5. Step 5: Solve for x
    x = 36,102,272,574.70/179,669.63
  6. Step 6: Final answer
    x = 200,936.98

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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.