Home / 160,329.12-221,258.64-88,715.64

Finding the Fourth Proportional to 160,329.12, 221,258.64 and 88,715.64

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Solution

The fourth proportional to 160,329.12, 221,258.64 and 88,715.64 is: 122,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,329.12 : 221,258.64 = 88,715.64 : x
  2. Step 2: Convert to fraction form
    160,329.12/221,258.64 = 88,715.64/x
  3. Step 3: Cross multiply
    160,329.12x = 221,258.64 × 88,715.64
  4. Step 4: Simplify right side
    160,329.12x = 19,629,101,853.13
  5. Step 5: Solve for x
    x = 19,629,101,853.13/160,329.12
  6. Step 6: Final answer
    x = 122,430.05

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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.