Home / 261,126.36-360,333.84-147,920.76

Finding the Fourth Proportional to 261,126.36, 360,333.84 and 147,920.76

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Solution

The fourth proportional to 261,126.36, 360,333.84 and 147,920.76 is: 204,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,126.36 : 360,333.84 = 147,920.76 : x
  2. Step 2: Convert to fraction form
    261,126.36/360,333.84 = 147,920.76/x
  3. Step 3: Cross multiply
    261,126.36x = 360,333.84 × 147,920.76
  4. Step 4: Simplify right side
    261,126.36x = 53,300,855,466.52
  5. Step 5: Solve for x
    x = 53,300,855,466.52/261,126.36
  6. Step 6: Final answer
    x = 204,119.02

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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.