Home / 131,650.02-181,676.21-71,220.42

Finding the Fourth Proportional to 131,650.02, 181,676.21 and 71,220.42

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Solution

The fourth proportional to 131,650.02, 181,676.21 and 71,220.42 is: 98,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,650.02 : 181,676.21 = 71,220.42 : x
  2. Step 2: Convert to fraction form
    131,650.02/181,676.21 = 71,220.42/x
  3. Step 3: Cross multiply
    131,650.02x = 181,676.21 × 71,220.42
  4. Step 4: Simplify right side
    131,650.02x = 12,939,055,624.11
  5. Step 5: Solve for x
    x = 12,939,055,624.11/131,650.02
  6. Step 6: Final answer
    x = 98,283.73

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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.