Home / 147,851.10-204,034.51-80,783.10

Finding the Fourth Proportional to 147,851.10, 204,034.51 and 80,783.10

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Solution

The fourth proportional to 147,851.10, 204,034.51 and 80,783.10 is: 111,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,851.10 : 204,034.51 = 80,783.10 : x
  2. Step 2: Convert to fraction form
    147,851.10/204,034.51 = 80,783.10/x
  3. Step 3: Cross multiply
    147,851.10x = 204,034.51 × 80,783.10
  4. Step 4: Simplify right side
    147,851.10x = 16,482,540,224.78
  5. Step 5: Solve for x
    x = 16,482,540,224.78/147,851.10
  6. Step 6: Final answer
    x = 111,480.67

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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.