Home / 142,749.10-214,080.99-42,882.58

Finding the Fourth Proportional to 142,749.10, 214,080.99 and 42,882.58

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Solution

The fourth proportional to 142,749.10, 214,080.99 and 42,882.58 is: 64,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,749.10 : 214,080.99 = 42,882.58 : x
  2. Step 2: Convert to fraction form
    142,749.10/214,080.99 = 42,882.58/x
  3. Step 3: Cross multiply
    142,749.10x = 214,080.99 × 42,882.58
  4. Step 4: Simplify right side
    142,749.10x = 9,180,345,180.15
  5. Step 5: Solve for x
    x = 9,180,345,180.15/142,749.10
  6. Step 6: Final answer
    x = 64,311.05

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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.