Home / 136,637.40-204,956.10-43,152.60

Finding the Fourth Proportional to 136,637.40, 204,956.10 and 43,152.60

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Solution

The fourth proportional to 136,637.40, 204,956.10 and 43,152.60 is: 64,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,637.40 : 204,956.10 = 43,152.60 : x
  2. Step 2: Convert to fraction form
    136,637.40/204,956.10 = 43,152.60/x
  3. Step 3: Cross multiply
    136,637.40x = 204,956.10 × 43,152.60
  4. Step 4: Simplify right side
    136,637.40x = 8,844,388,600.86
  5. Step 5: Solve for x
    x = 8,844,388,600.86/136,637.40
  6. Step 6: Final answer
    x = 64,728.90

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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.