Home / 160,689.46-221,839.77-109,778.74

Finding the Fourth Proportional to 160,689.46, 221,839.77 and 109,778.74

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Solution

The fourth proportional to 160,689.46, 221,839.77 and 109,778.74 is: 151,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,689.46 : 221,839.77 = 109,778.74 : x
  2. Step 2: Convert to fraction form
    160,689.46/221,839.77 = 109,778.74/x
  3. Step 3: Cross multiply
    160,689.46x = 221,839.77 × 109,778.74
  4. Step 4: Simplify right side
    160,689.46x = 24,353,290,432.49
  5. Step 5: Solve for x
    x = 24,353,290,432.49/160,689.46
  6. Step 6: Final answer
    x = 151,555.00

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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.