Home / 160,733.03-221,811.21-89,111.21

Finding the Fourth Proportional to 160,733.03, 221,811.21 and 89,111.21

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Solution

The fourth proportional to 160,733.03, 221,811.21 and 89,111.21 is: 122,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,733.03 : 221,811.21 = 89,111.21 : x
  2. Step 2: Convert to fraction form
    160,733.03/221,811.21 = 89,111.21/x
  3. Step 3: Cross multiply
    160,733.03x = 221,811.21 × 89,111.21
  4. Step 4: Simplify right side
    160,733.03x = 19,765,864,205.61
  5. Step 5: Solve for x
    x = 19,765,864,205.61/160,733.03
  6. Step 6: Final answer
    x = 122,973.26

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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.