Home / 140,334.32-210,498.52-45,564.40

Finding the Fourth Proportional to 140,334.32, 210,498.52 and 45,564.40

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Solution

The fourth proportional to 140,334.32, 210,498.52 and 45,564.40 is: 68,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334.32 : 210,498.52 = 45,564.40 : x
  2. Step 2: Convert to fraction form
    140,334.32/210,498.52 = 45,564.40/x
  3. Step 3: Cross multiply
    140,334.32x = 210,498.52 × 45,564.40
  4. Step 4: Simplify right side
    140,334.32x = 9,591,238,764.69
  5. Step 5: Solve for x
    x = 9,591,238,764.69/140,334.32
  6. Step 6: Final answer
    x = 68,345.64

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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.