Home / 140,014.80-210,022.20-127,767.60

Finding the Fourth Proportional to 140,014.80, 210,022.20 and 127,767.60

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Solution

The fourth proportional to 140,014.80, 210,022.20 and 127,767.60 is: 191,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,014.80 : 210,022.20 = 127,767.60 : x
  2. Step 2: Convert to fraction form
    140,014.80/210,022.20 = 127,767.60/x
  3. Step 3: Cross multiply
    140,014.80x = 210,022.20 × 127,767.60
  4. Step 4: Simplify right side
    140,014.80x = 26,834,032,440.72
  5. Step 5: Solve for x
    x = 26,834,032,440.72/140,014.80
  6. Step 6: Final answer
    x = 191,651.40

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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.