Home / 145,579.01-200,432.88-142,402.69

Finding the Fourth Proportional to 145,579.01, 200,432.88 and 142,402.69

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Solution

The fourth proportional to 145,579.01, 200,432.88 and 142,402.69 is: 196,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,579.01 : 200,432.88 = 142,402.69 : x
  2. Step 2: Convert to fraction form
    145,579.01/200,432.88 = 142,402.69/x
  3. Step 3: Cross multiply
    145,579.01x = 200,432.88 × 142,402.69
  4. Step 4: Simplify right side
    145,579.01x = 28,542,180,564.43
  5. Step 5: Solve for x
    x = 28,542,180,564.43/145,579.01
  6. Step 6: Final answer
    x = 196,059.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.