Home / 109,870.60-164,832.90-30,983.80

Finding the Fourth Proportional to 109,870.60, 164,832.90 and 30,983.80

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Solution

The fourth proportional to 109,870.60, 164,832.90 and 30,983.80 is: 46,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,870.60 : 164,832.90 = 30,983.80 : x
  2. Step 2: Convert to fraction form
    109,870.60/164,832.90 = 30,983.80/x
  3. Step 3: Cross multiply
    109,870.60x = 164,832.90 × 30,983.80
  4. Step 4: Simplify right side
    109,870.60x = 5,107,149,607.02
  5. Step 5: Solve for x
    x = 5,107,149,607.02/109,870.60
  6. Step 6: Final answer
    x = 46,483.31

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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.