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Finding the Fourth Proportional to 173,357.40, 260,036.10 and 120,826.20

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Solution

The fourth proportional to 173,357.40, 260,036.10 and 120,826.20 is: 181,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,357.40 : 260,036.10 = 120,826.20 : x
  2. Step 2: Convert to fraction form
    173,357.40/260,036.10 = 120,826.20/x
  3. Step 3: Cross multiply
    173,357.40x = 260,036.10 × 120,826.20
  4. Step 4: Simplify right side
    173,357.40x = 31,419,173,825.82
  5. Step 5: Solve for x
    x = 31,419,173,825.82/173,357.40
  6. Step 6: Final answer
    x = 181,239.30

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