Home / 100,299.60-150,227.55-40,955.31

Finding the Fourth Proportional to 100,299.60, 150,227.55 and 40,955.31

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Solution

The fourth proportional to 100,299.60, 150,227.55 and 40,955.31 is: 61,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,299.60 : 150,227.55 = 40,955.31 : x
  2. Step 2: Convert to fraction form
    100,299.60/150,227.55 = 40,955.31/x
  3. Step 3: Cross multiply
    100,299.60x = 150,227.55 × 40,955.31
  4. Step 4: Simplify right side
    100,299.60x = 6,152,615,880.79
  5. Step 5: Solve for x
    x = 6,152,615,880.79/100,299.60
  6. Step 6: Final answer
    x = 61,342.38

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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.