Home / 140,731.43-211,119.02-47,259.05

Finding the Fourth Proportional to 140,731.43, 211,119.02 and 47,259.05

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Solution

The fourth proportional to 140,731.43, 211,119.02 and 47,259.05 is: 70,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,731.43 : 211,119.02 = 47,259.05 : x
  2. Step 2: Convert to fraction form
    140,731.43/211,119.02 = 47,259.05/x
  3. Step 3: Cross multiply
    140,731.43x = 211,119.02 × 47,259.05
  4. Step 4: Simplify right side
    140,731.43x = 9,977,284,322.13
  5. Step 5: Solve for x
    x = 9,977,284,322.13/140,731.43
  6. Step 6: Final answer
    x = 70,895.92

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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.