Home / 92,921.60-128,242.80-55,196

Finding the Fourth Proportional to 92,921.60, 128,242.80 and 55,196

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Solution

The fourth proportional to 92,921.60, 128,242.80 and 55,196 is: 76,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,921.60 : 128,242.80 = 55,196 : x
  2. Step 2: Convert to fraction form
    92,921.60/128,242.80 = 55,196/x
  3. Step 3: Cross multiply
    92,921.60x = 128,242.80 × 55,196
  4. Step 4: Simplify right side
    92,921.60x = 7,078,489,588.80
  5. Step 5: Solve for x
    x = 7,078,489,588.80/92,921.60
  6. Step 6: Final answer
    x = 76,177.01

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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.