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Finding the Fourth Proportional to 154,847.60, 232,271.40 and 123,743.60

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Solution

The fourth proportional to 154,847.60, 232,271.40 and 123,743.60 is: 185,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,847.60 : 232,271.40 = 123,743.60 : x
  2. Step 2: Convert to fraction form
    154,847.60/232,271.40 = 123,743.60/x
  3. Step 3: Cross multiply
    154,847.60x = 232,271.40 × 123,743.60
  4. Step 4: Simplify right side
    154,847.60x = 28,742,099,213.04
  5. Step 5: Solve for x
    x = 28,742,099,213.04/154,847.60
  6. Step 6: Final answer
    x = 185,615.40

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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.