Home / 149,767.54-206,327.95-104,363.12

Finding the Fourth Proportional to 149,767.54, 206,327.95 and 104,363.12

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Solution

The fourth proportional to 149,767.54, 206,327.95 and 104,363.12 is: 143,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,767.54 : 206,327.95 = 104,363.12 : x
  2. Step 2: Convert to fraction form
    149,767.54/206,327.95 = 104,363.12/x
  3. Step 3: Cross multiply
    149,767.54x = 206,327.95 × 104,363.12
  4. Step 4: Simplify right side
    149,767.54x = 21,533,028,605.20
  5. Step 5: Solve for x
    x = 21,533,028,605.20/149,767.54
  6. Step 6: Final answer
    x = 143,776.34

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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.