Home / 142,389.36-213,596.34-37,208.28

Finding the Fourth Proportional to 142,389.36, 213,596.34 and 37,208.28

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Solution

The fourth proportional to 142,389.36, 213,596.34 and 37,208.28 is: 55,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,389.36 : 213,596.34 = 37,208.28 : x
  2. Step 2: Convert to fraction form
    142,389.36/213,596.34 = 37,208.28/x
  3. Step 3: Cross multiply
    142,389.36x = 213,596.34 × 37,208.28
  4. Step 4: Simplify right side
    142,389.36x = 7,947,552,425.70
  5. Step 5: Solve for x
    x = 7,947,552,425.70/142,389.36
  6. Step 6: Final answer
    x = 55,815.63

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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.