Home / 204,222.06-306,106.08-154,139.76

Finding the Fourth Proportional to 204,222.06, 306,106.08 and 154,139.76

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Solution

The fourth proportional to 204,222.06, 306,106.08 and 154,139.76 is: 231,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,222.06 : 306,106.08 = 154,139.76 : x
  2. Step 2: Convert to fraction form
    204,222.06/306,106.08 = 154,139.76/x
  3. Step 3: Cross multiply
    204,222.06x = 306,106.08 × 154,139.76
  4. Step 4: Simplify right side
    204,222.06x = 47,183,117,705.74
  5. Step 5: Solve for x
    x = 47,183,117,705.74/204,222.06
  6. Step 6: Final answer
    x = 231,038.30

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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.