Home / 146,011.22-201,495.49-78,943.22

Finding the Fourth Proportional to 146,011.22, 201,495.49 and 78,943.22

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Solution

The fourth proportional to 146,011.22, 201,495.49 and 78,943.22 is: 108,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,011.22 : 201,495.49 = 78,943.22 : x
  2. Step 2: Convert to fraction form
    146,011.22/201,495.49 = 78,943.22/x
  3. Step 3: Cross multiply
    146,011.22x = 201,495.49 × 78,943.22
  4. Step 4: Simplify right side
    146,011.22x = 15,906,702,346.85
  5. Step 5: Solve for x
    x = 15,906,702,346.85/146,011.22
  6. Step 6: Final answer
    x = 108,941.64

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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.