Home / 100,898.10-151,361.55-34,326.90

Finding the Fourth Proportional to 100,898.10, 151,361.55 and 34,326.90

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Solution

The fourth proportional to 100,898.10, 151,361.55 and 34,326.90 is: 51,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,898.10 : 151,361.55 = 34,326.90 : x
  2. Step 2: Convert to fraction form
    100,898.10/151,361.55 = 34,326.90/x
  3. Step 3: Cross multiply
    100,898.10x = 151,361.55 × 34,326.90
  4. Step 4: Simplify right side
    100,898.10x = 5,195,772,790.70
  5. Step 5: Solve for x
    x = 5,195,772,790.70/100,898.10
  6. Step 6: Final answer
    x = 51,495.25

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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.