Home / 165,941.60-228,985.80-94,305.20

Finding the Fourth Proportional to 165,941.60, 228,985.80 and 94,305.20

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Solution

The fourth proportional to 165,941.60, 228,985.80 and 94,305.20 is: 130,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,941.60 : 228,985.80 = 94,305.20 : x
  2. Step 2: Convert to fraction form
    165,941.60/228,985.80 = 94,305.20/x
  3. Step 3: Cross multiply
    165,941.60x = 228,985.80 × 94,305.20
  4. Step 4: Simplify right side
    165,941.60x = 21,594,551,666.16
  5. Step 5: Solve for x
    x = 21,594,551,666.16/165,941.60
  6. Step 6: Final answer
    x = 130,133.44

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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.