Home / 216,285.06-298,430.04-120,777.06

Finding the Fourth Proportional to 216,285.06, 298,430.04 and 120,777.06

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Solution

The fourth proportional to 216,285.06, 298,430.04 and 120,777.06 is: 166,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,285.06 : 298,430.04 = 120,777.06 : x
  2. Step 2: Convert to fraction form
    216,285.06/298,430.04 = 120,777.06/x
  3. Step 3: Cross multiply
    216,285.06x = 298,430.04 × 120,777.06
  4. Step 4: Simplify right side
    216,285.06x = 36,043,502,846.88
  5. Step 5: Solve for x
    x = 36,043,502,846.88/216,285.06
  6. Step 6: Final answer
    x = 166,648.14

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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.