Home / 216,047.80-298,199.40-131,235.94

Finding the Fourth Proportional to 216,047.80, 298,199.40 and 131,235.94

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Solution

The fourth proportional to 216,047.80, 298,199.40 and 131,235.94 is: 181,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,047.80 : 298,199.40 = 131,235.94 : x
  2. Step 2: Convert to fraction form
    216,047.80/298,199.40 = 131,235.94/x
  3. Step 3: Cross multiply
    216,047.80x = 298,199.40 × 131,235.94
  4. Step 4: Simplify right side
    216,047.80x = 39,134,478,566.44
  5. Step 5: Solve for x
    x = 39,134,478,566.44/216,047.80
  6. Step 6: Final answer
    x = 181,138.06

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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.