Home / 261,260.78-360,568.06-148,071.38

Finding the Fourth Proportional to 261,260.78, 360,568.06 and 148,071.38

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Solution

The fourth proportional to 261,260.78, 360,568.06 and 148,071.38 is: 204,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,260.78 : 360,568.06 = 148,071.38 : x
  2. Step 2: Convert to fraction form
    261,260.78/360,568.06 = 148,071.38/x
  3. Step 3: Cross multiply
    261,260.78x = 360,568.06 × 148,071.38
  4. Step 4: Simplify right side
    261,260.78x = 53,389,808,055.10
  5. Step 5: Solve for x
    x = 53,389,808,055.10/261,260.78
  6. Step 6: Final answer
    x = 204,354.47

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1.5x scale

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.