Home / 143,070.51-214,625.88-43,219.38

Finding the Fourth Proportional to 143,070.51, 214,625.88 and 43,219.38

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Solution

The fourth proportional to 143,070.51, 214,625.88 and 43,219.38 is: 64,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,070.51 : 214,625.88 = 43,219.38 : x
  2. Step 2: Convert to fraction form
    143,070.51/214,625.88 = 43,219.38/x
  3. Step 3: Cross multiply
    143,070.51x = 214,625.88 × 43,219.38
  4. Step 4: Simplify right side
    143,070.51x = 9,275,997,465.55
  5. Step 5: Solve for x
    x = 9,275,997,465.55/143,070.51
  6. Step 6: Final answer
    x = 64,835.15

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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.