Home / 140,720.02-211,101.63-47,203.90

Finding the Fourth Proportional to 140,720.02, 211,101.63 and 47,203.90

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Solution

The fourth proportional to 140,720.02, 211,101.63 and 47,203.90 is: 70,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,720.02 : 211,101.63 = 47,203.90 : x
  2. Step 2: Convert to fraction form
    140,720.02/211,101.63 = 47,203.90/x
  3. Step 3: Cross multiply
    140,720.02x = 211,101.63 × 47,203.90
  4. Step 4: Simplify right side
    140,720.02x = 9,964,820,232.36
  5. Step 5: Solve for x
    x = 9,964,820,232.36/140,720.02
  6. Step 6: Final answer
    x = 70,813.10

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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.