Home / 160,738.23-221,817.69-89,118.26

Finding the Fourth Proportional to 160,738.23, 221,817.69 and 89,118.26

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Solution

The fourth proportional to 160,738.23, 221,817.69 and 89,118.26 is: 122,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,738.23 : 221,817.69 = 89,118.26 : x
  2. Step 2: Convert to fraction form
    160,738.23/221,817.69 = 89,118.26/x
  3. Step 3: Cross multiply
    160,738.23x = 221,817.69 × 89,118.26
  4. Step 4: Simplify right side
    160,738.23x = 19,768,005,460.93
  5. Step 5: Solve for x
    x = 19,768,005,460.93/160,738.23
  6. Step 6: Final answer
    x = 122,982.60

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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.