Home / 160,634.50-221,676.93-89,015.72

Finding the Fourth Proportional to 160,634.50, 221,676.93 and 89,015.72

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Solution

The fourth proportional to 160,634.50, 221,676.93 and 89,015.72 is: 122,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,634.50 : 221,676.93 = 89,015.72 : x
  2. Step 2: Convert to fraction form
    160,634.50/221,676.93 = 89,015.72/x
  3. Step 3: Cross multiply
    160,634.50x = 221,676.93 × 89,015.72
  4. Step 4: Simplify right side
    160,634.50x = 19,732,731,531.34
  5. Step 5: Solve for x
    x = 19,732,731,531.34/160,634.50
  6. Step 6: Final answer
    x = 122,842.43

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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.