Home / 185,431.37-255,852.35-125,113.91

Finding the Fourth Proportional to 185,431.37, 255,852.35 and 125,113.91

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Solution

The fourth proportional to 185,431.37, 255,852.35 and 125,113.91 is: 172,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,431.37 : 255,852.35 = 125,113.91 : x
  2. Step 2: Convert to fraction form
    185,431.37/255,852.35 = 125,113.91/x
  3. Step 3: Cross multiply
    185,431.37x = 255,852.35 × 125,113.91
  4. Step 4: Simplify right side
    185,431.37x = 32,010,685,986.36
  5. Step 5: Solve for x
    x = 32,010,685,986.36/185,431.37
  6. Step 6: Final answer
    x = 172,628.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.