Home / 248,325.48-342,696.42-135,155.56

Finding the Fourth Proportional to 248,325.48, 342,696.42 and 135,155.56

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Solution

The fourth proportional to 248,325.48, 342,696.42 and 135,155.56 is: 186,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,325.48 : 342,696.42 = 135,155.56 : x
  2. Step 2: Convert to fraction form
    248,325.48/342,696.42 = 135,155.56/x
  3. Step 3: Cross multiply
    248,325.48x = 342,696.42 × 135,155.56
  4. Step 4: Simplify right side
    248,325.48x = 46,317,326,555.10
  5. Step 5: Solve for x
    x = 46,317,326,555.10/248,325.48
  6. Step 6: Final answer
    x = 186,518.62

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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.