Home / 142,395.27-213,203.82-102,454.17

Finding the Fourth Proportional to 142,395.27, 213,203.82 and 102,454.17

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Solution

The fourth proportional to 142,395.27, 213,203.82 and 102,454.17 is: 153,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,395.27 : 213,203.82 = 102,454.17 : x
  2. Step 2: Convert to fraction form
    142,395.27/213,203.82 = 102,454.17/x
  3. Step 3: Cross multiply
    142,395.27x = 213,203.82 × 102,454.17
  4. Step 4: Simplify right side
    142,395.27x = 21,843,620,418.93
  5. Step 5: Solve for x
    x = 21,843,620,418.93/142,395.27
  6. Step 6: Final answer
    x = 153,401.31

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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.