Home / 236,741.81-355,268.07-86,983.34

Finding the Fourth Proportional to 236,741.81, 355,268.07 and 86,983.34

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Solution

The fourth proportional to 236,741.81, 355,268.07 and 86,983.34 is: 130,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,741.81 : 355,268.07 = 86,983.34 : x
  2. Step 2: Convert to fraction form
    236,741.81/355,268.07 = 86,983.34/x
  3. Step 3: Cross multiply
    236,741.81x = 355,268.07 × 86,983.34
  4. Step 4: Simplify right side
    236,741.81x = 30,902,401,547.61
  5. Step 5: Solve for x
    x = 30,902,401,547.61/236,741.81
  6. Step 6: Final answer
    x = 130,532.09

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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.