Home / 160,284.56-221,197.20-88,671.12

Finding the Fourth Proportional to 160,284.56, 221,197.20 and 88,671.12

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Solution

The fourth proportional to 160,284.56, 221,197.20 and 88,671.12 is: 122,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,284.56 : 221,197.20 = 88,671.12 : x
  2. Step 2: Convert to fraction form
    160,284.56/221,197.20 = 88,671.12/x
  3. Step 3: Cross multiply
    160,284.56x = 221,197.20 × 88,671.12
  4. Step 4: Simplify right side
    160,284.56x = 19,613,803,464.86
  5. Step 5: Solve for x
    x = 19,613,803,464.86/160,284.56
  6. Step 6: Final answer
    x = 122,368.64

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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.