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Finding the Fourth Proportional to 160,113.69, 220,968.33 and 88,492.17

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Solution

The fourth proportional to 160,113.69, 220,968.33 and 88,492.17 is: 122,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,113.69 : 220,968.33 = 88,492.17 : x
  2. Step 2: Convert to fraction form
    160,113.69/220,968.33 = 88,492.17/x
  3. Step 3: Cross multiply
    160,113.69x = 220,968.33 × 88,492.17
  4. Step 4: Simplify right side
    160,113.69x = 19,553,967,147.17
  5. Step 5: Solve for x
    x = 19,553,967,147.17/160,113.69
  6. Step 6: Final answer
    x = 122,125.52

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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.