Home / 219,632.04-303,090.24-122,835.72

Finding the Fourth Proportional to 219,632.04, 303,090.24 and 122,835.72

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Solution

The fourth proportional to 219,632.04, 303,090.24 and 122,835.72 is: 169,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,632.04 : 303,090.24 = 122,835.72 : x
  2. Step 2: Convert to fraction form
    219,632.04/303,090.24 = 122,835.72/x
  3. Step 3: Cross multiply
    219,632.04x = 303,090.24 × 122,835.72
  4. Step 4: Simplify right side
    219,632.04x = 37,230,307,855.37
  5. Step 5: Solve for x
    x = 37,230,307,855.37/219,632.04
  6. Step 6: Final answer
    x = 169,512.19

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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.