Home / 140,003.20-210,004.80-46,508.95

Finding the Fourth Proportional to 140,003.20, 210,004.80 and 46,508.95

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Solution

The fourth proportional to 140,003.20, 210,004.80 and 46,508.95 is: 69,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,003.20 : 210,004.80 = 46,508.95 : x
  2. Step 2: Convert to fraction form
    140,003.20/210,004.80 = 46,508.95/x
  3. Step 3: Cross multiply
    140,003.20x = 210,004.80 × 46,508.95
  4. Step 4: Simplify right side
    140,003.20x = 9,767,102,742.96
  5. Step 5: Solve for x
    x = 9,767,102,742.96/140,003.20
  6. Step 6: Final answer
    x = 69,763.43

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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.