Home / 100,918.24-151,366.56-30,846.40

Finding the Fourth Proportional to 100,918.24, 151,366.56 and 30,846.40

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Solution

The fourth proportional to 100,918.24, 151,366.56 and 30,846.40 is: 46,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,918.24 : 151,366.56 = 30,846.40 : x
  2. Step 2: Convert to fraction form
    100,918.24/151,366.56 = 30,846.40/x
  3. Step 3: Cross multiply
    100,918.24x = 151,366.56 × 30,846.40
  4. Step 4: Simplify right side
    100,918.24x = 4,669,113,456.38
  5. Step 5: Solve for x
    x = 4,669,113,456.38/100,918.24
  6. Step 6: Final answer
    x = 46,266.30

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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.