Home / 160,748.34-221,824.50-89,127.66

Finding the Fourth Proportional to 160,748.34, 221,824.50 and 89,127.66

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Solution

The fourth proportional to 160,748.34, 221,824.50 and 89,127.66 is: 122,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,748.34 : 221,824.50 = 89,127.66 : x
  2. Step 2: Convert to fraction form
    160,748.34/221,824.50 = 89,127.66/x
  3. Step 3: Cross multiply
    160,748.34x = 221,824.50 × 89,127.66
  4. Step 4: Simplify right side
    160,748.34x = 19,770,698,615.67
  5. Step 5: Solve for x
    x = 19,770,698,615.67/160,748.34
  6. Step 6: Final answer
    x = 122,991.62

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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.