Home / 160,478.22-221,442.06-88,840.30

Finding the Fourth Proportional to 160,478.22, 221,442.06 and 88,840.30

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Solution

The fourth proportional to 160,478.22, 221,442.06 and 88,840.30 is: 122,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,478.22 : 221,442.06 = 88,840.30 : x
  2. Step 2: Convert to fraction form
    160,478.22/221,442.06 = 88,840.30/x
  3. Step 3: Cross multiply
    160,478.22x = 221,442.06 × 88,840.30
  4. Step 4: Simplify right side
    160,478.22x = 19,672,979,043.02
  5. Step 5: Solve for x
    x = 19,672,979,043.02/160,478.22
  6. Step 6: Final answer
    x = 122,589.71

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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.