Home / 121,942.96-182,972.80-43,094.32

Finding the Fourth Proportional to 121,942.96, 182,972.80 and 43,094.32

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Solution

The fourth proportional to 121,942.96, 182,972.80 and 43,094.32 is: 64,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,942.96 : 182,972.80 = 43,094.32 : x
  2. Step 2: Convert to fraction form
    121,942.96/182,972.80 = 43,094.32/x
  3. Step 3: Cross multiply
    121,942.96x = 182,972.80 × 43,094.32
  4. Step 4: Simplify right side
    121,942.96x = 7,885,088,394.50
  5. Step 5: Solve for x
    x = 7,885,088,394.50/121,942.96
  6. Step 6: Final answer
    x = 64,662.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.