Home / 160,219.44-221,108.64-103,630.80

Finding the Fourth Proportional to 160,219.44, 221,108.64 and 103,630.80

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Solution

The fourth proportional to 160,219.44, 221,108.64 and 103,630.80 is: 143,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,219.44 : 221,108.64 = 103,630.80 : x
  2. Step 2: Convert to fraction form
    160,219.44/221,108.64 = 103,630.80/x
  3. Step 3: Cross multiply
    160,219.44x = 221,108.64 × 103,630.80
  4. Step 4: Simplify right side
    160,219.44x = 22,913,665,250.11
  5. Step 5: Solve for x
    x = 22,913,665,250.11/160,219.44
  6. Step 6: Final answer
    x = 143,014.26

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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.