Home / 204,421.80-306,632.70-115,848.30

Finding the Fourth Proportional to 204,421.80, 306,632.70 and 115,848.30

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Solution

The fourth proportional to 204,421.80, 306,632.70 and 115,848.30 is: 173,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,421.80 : 306,632.70 = 115,848.30 : x
  2. Step 2: Convert to fraction form
    204,421.80/306,632.70 = 115,848.30/x
  3. Step 3: Cross multiply
    204,421.80x = 306,632.70 × 115,848.30
  4. Step 4: Simplify right side
    204,421.80x = 35,522,877,019.41
  5. Step 5: Solve for x
    x = 35,522,877,019.41/204,421.80
  6. Step 6: Final answer
    x = 173,772.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.