Home / 207,913.16-286,918.75-117,269.87

Finding the Fourth Proportional to 207,913.16, 286,918.75 and 117,269.87

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Solution

The fourth proportional to 207,913.16, 286,918.75 and 117,269.87 is: 161,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,913.16 : 286,918.75 = 117,269.87 : x
  2. Step 2: Convert to fraction form
    207,913.16/286,918.75 = 117,269.87/x
  3. Step 3: Cross multiply
    207,913.16x = 286,918.75 × 117,269.87
  4. Step 4: Simplify right side
    207,913.16x = 33,646,924,513.06
  5. Step 5: Solve for x
    x = 33,646,924,513.06/207,913.16
  6. Step 6: Final answer
    x = 161,831.62

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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.