Home / 150,004.72-206,991-93,422.32

Finding the Fourth Proportional to 150,004.72, 206,991 and 93,422.32

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Solution

The fourth proportional to 150,004.72, 206,991 and 93,422.32 is: 128,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,004.72 : 206,991 = 93,422.32 : x
  2. Step 2: Convert to fraction form
    150,004.72/206,991 = 93,422.32/x
  3. Step 3: Cross multiply
    150,004.72x = 206,991 × 93,422.32
  4. Step 4: Simplify right side
    150,004.72x = 19,337,579,439.12
  5. Step 5: Solve for x
    x = 19,337,579,439.12/150,004.72
  6. Step 6: Final answer
    x = 128,913.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.