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Finding the Fourth Proportional to 145,432.40, 203,743.60 and 145,432.40

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Solution

The fourth proportional to 145,432.40, 203,743.60 and 145,432.40 is: 203,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,432.40 : 203,743.60 = 145,432.40 : x
  2. Step 2: Convert to fraction form
    145,432.40/203,743.60 = 145,432.40/x
  3. Step 3: Cross multiply
    145,432.40x = 203,743.60 × 145,432.40
  4. Step 4: Simplify right side
    145,432.40x = 29,630,920,732.64
  5. Step 5: Solve for x
    x = 29,630,920,732.64/145,432.40
  6. Step 6: Final answer
    x = 203,743.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.