Home / 128,048.32-192,072.48-34,561.36

Finding the Fourth Proportional to 128,048.32, 192,072.48 and 34,561.36

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Solution

The fourth proportional to 128,048.32, 192,072.48 and 34,561.36 is: 51,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,048.32 : 192,072.48 = 34,561.36 : x
  2. Step 2: Convert to fraction form
    128,048.32/192,072.48 = 34,561.36/x
  3. Step 3: Cross multiply
    128,048.32x = 192,072.48 × 34,561.36
  4. Step 4: Simplify right side
    128,048.32x = 6,638,286,127.37
  5. Step 5: Solve for x
    x = 6,638,286,127.37/128,048.32
  6. Step 6: Final answer
    x = 51,842.04

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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.