Home / 160,716.05-221,810.69-99,481.87

Finding the Fourth Proportional to 160,716.05, 221,810.69 and 99,481.87

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Solution

The fourth proportional to 160,716.05, 221,810.69 and 99,481.87 is: 137,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,716.05 : 221,810.69 = 99,481.87 : x
  2. Step 2: Convert to fraction form
    160,716.05/221,810.69 = 99,481.87/x
  3. Step 3: Cross multiply
    160,716.05x = 221,810.69 × 99,481.87
  4. Step 4: Simplify right side
    160,716.05x = 22,066,142,613.26
  5. Step 5: Solve for x
    x = 22,066,142,613.26/160,716.05
  6. Step 6: Final answer
    x = 137,298.94

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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.