Home / 120,350.54-180,459.29-82,443.22

Finding the Fourth Proportional to 120,350.54, 180,459.29 and 82,443.22

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Solution

The fourth proportional to 120,350.54, 180,459.29 and 82,443.22 is: 123,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,350.54 : 180,459.29 = 82,443.22 : x
  2. Step 2: Convert to fraction form
    120,350.54/180,459.29 = 82,443.22/x
  3. Step 3: Cross multiply
    120,350.54x = 180,459.29 × 82,443.22
  4. Step 4: Simplify right side
    120,350.54x = 14,877,644,701.47
  5. Step 5: Solve for x
    x = 14,877,644,701.47/120,350.54
  6. Step 6: Final answer
    x = 123,619.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.