Home / 100,925.89-151,275.68-40,940.43

Finding the Fourth Proportional to 100,925.89, 151,275.68 and 40,940.43

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Solution

The fourth proportional to 100,925.89, 151,275.68 and 40,940.43 is: 61,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,925.89 : 151,275.68 = 40,940.43 : x
  2. Step 2: Convert to fraction form
    100,925.89/151,275.68 = 40,940.43/x
  3. Step 3: Cross multiply
    100,925.89x = 151,275.68 × 40,940.43
  4. Step 4: Simplify right side
    100,925.89x = 6,193,291,283.21
  5. Step 5: Solve for x
    x = 6,193,291,283.21/100,925.89
  6. Step 6: Final answer
    x = 61,364.74

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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.