Home / 236,827-355,415.84-112,168.36

Finding the Fourth Proportional to 236,827, 355,415.84 and 112,168.36

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Solution

The fourth proportional to 236,827, 355,415.84 and 112,168.36 is: 168,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,827 : 355,415.84 = 112,168.36 : x
  2. Step 2: Convert to fraction form
    236,827/355,415.84 = 112,168.36/x
  3. Step 3: Cross multiply
    236,827x = 355,415.84 × 112,168.36
  4. Step 4: Simplify right side
    236,827x = 39,866,411,890.82
  5. Step 5: Solve for x
    x = 39,866,411,890.82/236,827
  6. Step 6: Final answer
    x = 168,335.59

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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.