Home / 136,051.60-203,907.30-69,518.20

Finding the Fourth Proportional to 136,051.60, 203,907.30 and 69,518.20

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Solution

The fourth proportional to 136,051.60, 203,907.30 and 69,518.20 is: 104,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,051.60 : 203,907.30 = 69,518.20 : x
  2. Step 2: Convert to fraction form
    136,051.60/203,907.30 = 69,518.20/x
  3. Step 3: Cross multiply
    136,051.60x = 203,907.30 × 69,518.20
  4. Step 4: Simplify right side
    136,051.60x = 14,175,268,462.86
  5. Step 5: Solve for x
    x = 14,175,268,462.86/136,051.60
  6. Step 6: Final answer
    x = 104,190.38

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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.