Home / 160,659.67-221,706.97-89,039.07

Finding the Fourth Proportional to 160,659.67, 221,706.97 and 89,039.07

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Solution

The fourth proportional to 160,659.67, 221,706.97 and 89,039.07 is: 122,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659.67 : 221,706.97 = 89,039.07 : x
  2. Step 2: Convert to fraction form
    160,659.67/221,706.97 = 89,039.07/x
  3. Step 3: Cross multiply
    160,659.67x = 221,706.97 × 89,039.07
  4. Step 4: Simplify right side
    160,659.67x = 19,740,582,421.32
  5. Step 5: Solve for x
    x = 19,740,582,421.32/160,659.67
  6. Step 6: Final answer
    x = 122,872.05

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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.