Home / 143,314.60-214,971.90-49,820.35

Finding the Fourth Proportional to 143,314.60, 214,971.90 and 49,820.35

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Solution

The fourth proportional to 143,314.60, 214,971.90 and 49,820.35 is: 74,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,314.60 : 214,971.90 = 49,820.35 : x
  2. Step 2: Convert to fraction form
    143,314.60/214,971.90 = 49,820.35/x
  3. Step 3: Cross multiply
    143,314.60x = 214,971.90 × 49,820.35
  4. Step 4: Simplify right side
    143,314.60x = 10,709,975,298.17
  5. Step 5: Solve for x
    x = 10,709,975,298.17/143,314.60
  6. Step 6: Final answer
    x = 74,730.53

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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.