Home / 130,166.40-179,610.84-72,805.44

Finding the Fourth Proportional to 130,166.40, 179,610.84 and 72,805.44

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Solution

The fourth proportional to 130,166.40, 179,610.84 and 72,805.44 is: 100,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,166.40 : 179,610.84 = 72,805.44 : x
  2. Step 2: Convert to fraction form
    130,166.40/179,610.84 = 72,805.44/x
  3. Step 3: Cross multiply
    130,166.40x = 179,610.84 × 72,805.44
  4. Step 4: Simplify right side
    130,166.40x = 13,076,646,234.97
  5. Step 5: Solve for x
    x = 13,076,646,234.97/130,166.40
  6. Step 6: Final answer
    x = 100,461.00

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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.