Home / 160,690.35-221,754.56-89,071.23

Finding the Fourth Proportional to 160,690.35, 221,754.56 and 89,071.23

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Solution

The fourth proportional to 160,690.35, 221,754.56 and 89,071.23 is: 122,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,690.35 : 221,754.56 = 89,071.23 : x
  2. Step 2: Convert to fraction form
    160,690.35/221,754.56 = 89,071.23/x
  3. Step 3: Cross multiply
    160,690.35x = 221,754.56 × 89,071.23
  4. Step 4: Simplify right side
    160,690.35x = 19,751,950,971.95
  5. Step 5: Solve for x
    x = 19,751,950,971.95/160,690.35
  6. Step 6: Final answer
    x = 122,919.34

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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.