Home / 160,274.37-221,164.85-88,636.56

Finding the Fourth Proportional to 160,274.37, 221,164.85 and 88,636.56

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Solution

The fourth proportional to 160,274.37, 221,164.85 and 88,636.56 is: 122,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,274.37 : 221,164.85 = 88,636.56 : x
  2. Step 2: Convert to fraction form
    160,274.37/221,164.85 = 88,636.56/x
  3. Step 3: Cross multiply
    160,274.37x = 221,164.85 × 88,636.56
  4. Step 4: Simplify right side
    160,274.37x = 19,603,291,718.51
  5. Step 5: Solve for x
    x = 19,603,291,718.51/160,274.37
  6. Step 6: Final answer
    x = 122,310.83

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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.