Home / 92,917.60-128,237.28-55,192

Finding the Fourth Proportional to 92,917.60, 128,237.28 and 55,192

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Solution

The fourth proportional to 92,917.60, 128,237.28 and 55,192 is: 76,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,917.60 : 128,237.28 = 55,192 : x
  2. Step 2: Convert to fraction form
    92,917.60/128,237.28 = 55,192/x
  3. Step 3: Cross multiply
    92,917.60x = 128,237.28 × 55,192
  4. Step 4: Simplify right side
    92,917.60x = 7,077,671,957.76
  5. Step 5: Solve for x
    x = 7,077,671,957.76/92,917.60
  6. Step 6: Final answer
    x = 76,171.49

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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.