Home / 140,785.12-211,210.32-40,947.68

Finding the Fourth Proportional to 140,785.12, 211,210.32 and 40,947.68

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Solution

The fourth proportional to 140,785.12, 211,210.32 and 40,947.68 is: 61,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,785.12 : 211,210.32 = 40,947.68 : x
  2. Step 2: Convert to fraction form
    140,785.12/211,210.32 = 40,947.68/x
  3. Step 3: Cross multiply
    140,785.12x = 211,210.32 × 40,947.68
  4. Step 4: Simplify right side
    140,785.12x = 8,648,572,596.06
  5. Step 5: Solve for x
    x = 8,648,572,596.06/140,785.12
  6. Step 6: Final answer
    x = 61,431.01

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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.