Home / 160,740.90-221,827.68-89,127.60

Finding the Fourth Proportional to 160,740.90, 221,827.68 and 89,127.60

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Solution

The fourth proportional to 160,740.90, 221,827.68 and 89,127.60 is: 122,998.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,740.90 : 221,827.68 = 89,127.60 : x
  2. Step 2: Convert to fraction form
    160,740.90/221,827.68 = 89,127.60/x
  3. Step 3: Cross multiply
    160,740.90x = 221,827.68 × 89,127.60
  4. Step 4: Simplify right side
    160,740.90x = 19,770,968,731.97
  5. Step 5: Solve for x
    x = 19,770,968,731.97/160,740.90
  6. Step 6: Final answer
    x = 122,998.99

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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.