Home / 248,665.08-343,148.18-135,488.68

Finding the Fourth Proportional to 248,665.08, 343,148.18 and 135,488.68

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Solution

The fourth proportional to 248,665.08, 343,148.18 and 135,488.68 is: 186,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,665.08 : 343,148.18 = 135,488.68 : x
  2. Step 2: Convert to fraction form
    248,665.08/343,148.18 = 135,488.68/x
  3. Step 3: Cross multiply
    248,665.08x = 343,148.18 × 135,488.68
  4. Step 4: Simplify right side
    248,665.08x = 46,492,693,952.60
  5. Step 5: Solve for x
    x = 46,492,693,952.60/248,665.08
  6. Step 6: Final answer
    x = 186,969.13

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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.