Home / 101,318.20-151,962.90-31,204.60

Finding the Fourth Proportional to 101,318.20, 151,962.90 and 31,204.60

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Solution

The fourth proportional to 101,318.20, 151,962.90 and 31,204.60 is: 46,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,318.20 : 151,962.90 = 31,204.60 : x
  2. Step 2: Convert to fraction form
    101,318.20/151,962.90 = 31,204.60/x
  3. Step 3: Cross multiply
    101,318.20x = 151,962.90 × 31,204.60
  4. Step 4: Simplify right side
    101,318.20x = 4,741,941,509.34
  5. Step 5: Solve for x
    x = 4,741,941,509.34/101,318.20
  6. Step 6: Final answer
    x = 46,802.46

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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.