Home / 103,162.08-154,787.67-55,810.53

Finding the Fourth Proportional to 103,162.08, 154,787.67 and 55,810.53

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Solution

The fourth proportional to 103,162.08, 154,787.67 and 55,810.53 is: 83,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,162.08 : 154,787.67 = 55,810.53 : x
  2. Step 2: Convert to fraction form
    103,162.08/154,787.67 = 55,810.53/x
  3. Step 3: Cross multiply
    103,162.08x = 154,787.67 × 55,810.53
  4. Step 4: Simplify right side
    103,162.08x = 8,638,781,900.17
  5. Step 5: Solve for x
    x = 8,638,781,900.17/103,162.08
  6. Step 6: Final answer
    x = 83,739.90

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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.