Home / 160,435.68-221,391.64-88,811.40

Finding the Fourth Proportional to 160,435.68, 221,391.64 and 88,811.40

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Solution

The fourth proportional to 160,435.68, 221,391.64 and 88,811.40 is: 122,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,435.68 : 221,391.64 = 88,811.40 : x
  2. Step 2: Convert to fraction form
    160,435.68/221,391.64 = 88,811.40/x
  3. Step 3: Cross multiply
    160,435.68x = 221,391.64 × 88,811.40
  4. Step 4: Simplify right side
    160,435.68x = 19,662,101,496.70
  5. Step 5: Solve for x
    x = 19,662,101,496.70/160,435.68
  6. Step 6: Final answer
    x = 122,554.42

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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.