Home / 140,738.64-211,127.40-47,271.12

Finding the Fourth Proportional to 140,738.64, 211,127.40 and 47,271.12

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Solution

The fourth proportional to 140,738.64, 211,127.40 and 47,271.12 is: 70,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,738.64 : 211,127.40 = 47,271.12 : x
  2. Step 2: Convert to fraction form
    140,738.64/211,127.40 = 47,271.12/x
  3. Step 3: Cross multiply
    140,738.64x = 211,127.40 × 47,271.12
  4. Step 4: Simplify right side
    140,738.64x = 9,980,228,660.69
  5. Step 5: Solve for x
    x = 9,980,228,660.69/140,738.64
  6. Step 6: Final answer
    x = 70,913.21

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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.