Home / 200,667.04-276,925.80-113,445.20

Finding the Fourth Proportional to 200,667.04, 276,925.80 and 113,445.20

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Solution

The fourth proportional to 200,667.04, 276,925.80 and 113,445.20 is: 156,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,667.04 : 276,925.80 = 113,445.20 : x
  2. Step 2: Convert to fraction form
    200,667.04/276,925.80 = 113,445.20/x
  3. Step 3: Cross multiply
    200,667.04x = 276,925.80 × 113,445.20
  4. Step 4: Simplify right side
    200,667.04x = 31,415,902,766.16
  5. Step 5: Solve for x
    x = 31,415,902,766.16/200,667.04
  6. Step 6: Final answer
    x = 156,557.36

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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.