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Finding the Fourth Proportional to 160,295.52, 221,214.33 and 88,674.31

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Solution

The fourth proportional to 160,295.52, 221,214.33 and 88,674.31 is: 122,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,295.52 : 221,214.33 = 88,674.31 : x
  2. Step 2: Convert to fraction form
    160,295.52/221,214.33 = 88,674.31/x
  3. Step 3: Cross multiply
    160,295.52x = 221,214.33 × 88,674.31
  4. Step 4: Simplify right side
    160,295.52x = 19,616,028,074.86
  5. Step 5: Solve for x
    x = 19,616,028,074.86/160,295.52
  6. Step 6: Final answer
    x = 122,374.15

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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.