Home / 248,593.12-343,066.80-135,426.40

Finding the Fourth Proportional to 248,593.12, 343,066.80 and 135,426.40

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Solution

The fourth proportional to 248,593.12, 343,066.80 and 135,426.40 is: 186,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,593.12 : 343,066.80 = 135,426.40 : x
  2. Step 2: Convert to fraction form
    248,593.12/343,066.80 = 135,426.40/x
  3. Step 3: Cross multiply
    248,593.12x = 343,066.80 × 135,426.40
  4. Step 4: Simplify right side
    248,593.12x = 46,460,301,683.52
  5. Step 5: Solve for x
    x = 46,460,301,683.52/248,593.12
  6. Step 6: Final answer
    x = 186,892.95

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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.