Home / 160,332.16-221,258.64-88,715.20

Finding the Fourth Proportional to 160,332.16, 221,258.64 and 88,715.20

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Solution

The fourth proportional to 160,332.16, 221,258.64 and 88,715.20 is: 122,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,332.16 : 221,258.64 = 88,715.20 : x
  2. Step 2: Convert to fraction form
    160,332.16/221,258.64 = 88,715.20/x
  3. Step 3: Cross multiply
    160,332.16x = 221,258.64 × 88,715.20
  4. Step 4: Simplify right side
    160,332.16x = 19,629,004,499.33
  5. Step 5: Solve for x
    x = 19,629,004,499.33/160,332.16
  6. Step 6: Final answer
    x = 122,427.12

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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.