Home / 147,357.06-203,352.75-80,289.06

Finding the Fourth Proportional to 147,357.06, 203,352.75 and 80,289.06

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Solution

The fourth proportional to 147,357.06, 203,352.75 and 80,289.06 is: 110,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,357.06 : 203,352.75 = 80,289.06 : x
  2. Step 2: Convert to fraction form
    147,357.06/203,352.75 = 80,289.06/x
  3. Step 3: Cross multiply
    147,357.06x = 203,352.75 × 80,289.06
  4. Step 4: Simplify right side
    147,357.06x = 16,327,001,145.92
  5. Step 5: Solve for x
    x = 16,327,001,145.92/147,357.06
  6. Step 6: Final answer
    x = 110,798.91

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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.