Home / 140,525.80-210,788.70-125,763.55

Finding the Fourth Proportional to 140,525.80, 210,788.70 and 125,763.55

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Solution

The fourth proportional to 140,525.80, 210,788.70 and 125,763.55 is: 188,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,525.80 : 210,788.70 = 125,763.55 : x
  2. Step 2: Convert to fraction form
    140,525.80/210,788.70 = 125,763.55/x
  3. Step 3: Cross multiply
    140,525.80x = 210,788.70 × 125,763.55
  4. Step 4: Simplify right side
    140,525.80x = 26,509,535,211.89
  5. Step 5: Solve for x
    x = 26,509,535,211.89/140,525.80
  6. Step 6: Final answer
    x = 188,645.33

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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.