Home / 131,652.36-181,679.50-71,222.83

Finding the Fourth Proportional to 131,652.36, 181,679.50 and 71,222.83

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Solution

The fourth proportional to 131,652.36, 181,679.50 and 71,222.83 is: 98,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,652.36 : 181,679.50 = 71,222.83 : x
  2. Step 2: Convert to fraction form
    131,652.36/181,679.50 = 71,222.83/x
  3. Step 3: Cross multiply
    131,652.36x = 181,679.50 × 71,222.83
  4. Step 4: Simplify right side
    131,652.36x = 12,939,728,142.99
  5. Step 5: Solve for x
    x = 12,939,728,142.99/131,652.36
  6. Step 6: Final answer
    x = 98,287.10

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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.