Home / 207,629.68-286,230.36-147,910

Finding the Fourth Proportional to 207,629.68, 286,230.36 and 147,910

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Solution

The fourth proportional to 207,629.68, 286,230.36 and 147,910 is: 203,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,629.68 : 286,230.36 = 147,910 : x
  2. Step 2: Convert to fraction form
    207,629.68/286,230.36 = 147,910/x
  3. Step 3: Cross multiply
    207,629.68x = 286,230.36 × 147,910
  4. Step 4: Simplify right side
    207,629.68x = 42,336,332,547.60
  5. Step 5: Solve for x
    x = 42,336,332,547.60/207,629.68
  6. Step 6: Final answer
    x = 203,903.09

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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.