Home / 119,860.29-179,870.63-49,739.60

Finding the Fourth Proportional to 119,860.29, 179,870.63 and 49,739.60

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Solution

The fourth proportional to 119,860.29, 179,870.63 and 49,739.60 is: 74,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,860.29 : 179,870.63 = 49,739.60 : x
  2. Step 2: Convert to fraction form
    119,860.29/179,870.63 = 49,739.60/x
  3. Step 3: Cross multiply
    119,860.29x = 179,870.63 × 49,739.60
  4. Step 4: Simplify right side
    119,860.29x = 8,946,693,388.93
  5. Step 5: Solve for x
    x = 8,946,693,388.93/119,860.29
  6. Step 6: Final answer
    x = 74,642.68

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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.