Home / 147,038.72-220,540.54-40,433.50

Finding the Fourth Proportional to 147,038.72, 220,540.54 and 40,433.50

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Solution

The fourth proportional to 147,038.72, 220,540.54 and 40,433.50 is: 60,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,038.72 : 220,540.54 = 40,433.50 : x
  2. Step 2: Convert to fraction form
    147,038.72/220,540.54 = 40,433.50/x
  3. Step 3: Cross multiply
    147,038.72x = 220,540.54 × 40,433.50
  4. Step 4: Simplify right side
    147,038.72x = 8,917,225,924.09
  5. Step 5: Solve for x
    x = 8,917,225,924.09/147,038.72
  6. Step 6: Final answer
    x = 60,645.43

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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.