Home / 160,724.90-221,792.10-89,104.16

Finding the Fourth Proportional to 160,724.90, 221,792.10 and 89,104.16

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Solution

The fourth proportional to 160,724.90, 221,792.10 and 89,104.16 is: 122,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,724.90 : 221,792.10 = 89,104.16 : x
  2. Step 2: Convert to fraction form
    160,724.90/221,792.10 = 89,104.16/x
  3. Step 3: Cross multiply
    160,724.90x = 221,792.10 × 89,104.16
  4. Step 4: Simplify right side
    160,724.90x = 19,762,598,765.14
  5. Step 5: Solve for x
    x = 19,762,598,765.14/160,724.90
  6. Step 6: Final answer
    x = 122,959.16

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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.