Home / 147,749.40-203,899.04-83,219.85

Finding the Fourth Proportional to 147,749.40, 203,899.04 and 83,219.85

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Solution

The fourth proportional to 147,749.40, 203,899.04 and 83,219.85 is: 114,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,749.40 : 203,899.04 = 83,219.85 : x
  2. Step 2: Convert to fraction form
    147,749.40/203,899.04 = 83,219.85/x
  3. Step 3: Cross multiply
    147,749.40x = 203,899.04 × 83,219.85
  4. Step 4: Simplify right side
    147,749.40x = 16,968,446,088.35
  5. Step 5: Solve for x
    x = 16,968,446,088.35/147,749.40
  6. Step 6: Final answer
    x = 114,846.12

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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.