Home / 147,086.94-220,607.37-40,478.91

Finding the Fourth Proportional to 147,086.94, 220,607.37 and 40,478.91

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Solution

The fourth proportional to 147,086.94, 220,607.37 and 40,478.91 is: 60,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,086.94 : 220,607.37 = 40,478.91 : x
  2. Step 2: Convert to fraction form
    147,086.94/220,607.37 = 40,478.91/x
  3. Step 3: Cross multiply
    147,086.94x = 220,607.37 × 40,478.91
  4. Step 4: Simplify right side
    147,086.94x = 8,929,945,875.57
  5. Step 5: Solve for x
    x = 8,929,945,875.57/147,086.94
  6. Step 6: Final answer
    x = 60,712.02

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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.