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Finding the Fourth Proportional to 160,112.30, 220,941.67 and 88,492.30

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Solution

The fourth proportional to 160,112.30, 220,941.67 and 88,492.30 is: 122,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,112.30 : 220,941.67 = 88,492.30 : x
  2. Step 2: Convert to fraction form
    160,112.30/220,941.67 = 88,492.30/x
  3. Step 3: Cross multiply
    160,112.30x = 220,941.67 × 88,492.30
  4. Step 4: Simplify right side
    160,112.30x = 19,551,636,544.14
  5. Step 5: Solve for x
    x = 19,551,636,544.14/160,112.30
  6. Step 6: Final answer
    x = 122,112.02

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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.