Home / 136,972.56-205,518.24-48,289.44

Finding the Fourth Proportional to 136,972.56, 205,518.24 and 48,289.44

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Solution

The fourth proportional to 136,972.56, 205,518.24 and 48,289.44 is: 72,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,972.56 : 205,518.24 = 48,289.44 : x
  2. Step 2: Convert to fraction form
    136,972.56/205,518.24 = 48,289.44/x
  3. Step 3: Cross multiply
    136,972.56x = 205,518.24 × 48,289.44
  4. Step 4: Simplify right side
    136,972.56x = 9,924,360,719.39
  5. Step 5: Solve for x
    x = 9,924,360,719.39/136,972.56
  6. Step 6: Final answer
    x = 72,455.10

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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.