Home / 130,401.74-195,603.42-46,143.56

Finding the Fourth Proportional to 130,401.74, 195,603.42 and 46,143.56

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Solution

The fourth proportional to 130,401.74, 195,603.42 and 46,143.56 is: 69,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,401.74 : 195,603.42 = 46,143.56 : x
  2. Step 2: Convert to fraction form
    130,401.74/195,603.42 = 46,143.56/x
  3. Step 3: Cross multiply
    130,401.74x = 195,603.42 × 46,143.56
  4. Step 4: Simplify right side
    130,401.74x = 9,025,838,146.98
  5. Step 5: Solve for x
    x = 9,025,838,146.98/130,401.74
  6. Step 6: Final answer
    x = 69,215.63

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1.5x scale

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.