Home / 176,272.34-243,014.82-121,079.98

Finding the Fourth Proportional to 176,272.34, 243,014.82 and 121,079.98

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Solution

The fourth proportional to 176,272.34, 243,014.82 and 121,079.98 is: 166,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,272.34 : 243,014.82 = 121,079.98 : x
  2. Step 2: Convert to fraction form
    176,272.34/243,014.82 = 121,079.98/x
  3. Step 3: Cross multiply
    176,272.34x = 243,014.82 × 121,079.98
  4. Step 4: Simplify right side
    176,272.34x = 29,424,230,910.66
  5. Step 5: Solve for x
    x = 29,424,230,910.66/176,272.34
  6. Step 6: Final answer
    x = 166,924.84

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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.