Home / 248,317.24-342,679.02-135,140

Finding the Fourth Proportional to 248,317.24, 342,679.02 and 135,140

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Solution

The fourth proportional to 248,317.24, 342,679.02 and 135,140 is: 186,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,317.24 : 342,679.02 = 135,140 : x
  2. Step 2: Convert to fraction form
    248,317.24/342,679.02 = 135,140/x
  3. Step 3: Cross multiply
    248,317.24x = 342,679.02 × 135,140
  4. Step 4: Simplify right side
    248,317.24x = 46,309,642,762.80
  5. Step 5: Solve for x
    x = 46,309,642,762.80/248,317.24
  6. Step 6: Final answer
    x = 186,493.87

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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.