Home / 100,946.18-151,241.56-89,950.73

Finding the Fourth Proportional to 100,946.18, 151,241.56 and 89,950.73

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Solution

The fourth proportional to 100,946.18, 151,241.56 and 89,950.73 is: 134,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,946.18 : 151,241.56 = 89,950.73 : x
  2. Step 2: Convert to fraction form
    100,946.18/151,241.56 = 89,950.73/x
  3. Step 3: Cross multiply
    100,946.18x = 151,241.56 × 89,950.73
  4. Step 4: Simplify right side
    100,946.18x = 13,604,287,747.25
  5. Step 5: Solve for x
    x = 13,604,287,747.25/100,946.18
  6. Step 6: Final answer
    x = 134,767.73

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1.5x scale

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.