Home / 143,145.10-214,717.65-130,023.10

Finding the Fourth Proportional to 143,145.10, 214,717.65 and 130,023.10

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Solution

The fourth proportional to 143,145.10, 214,717.65 and 130,023.10 is: 195,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,145.10 : 214,717.65 = 130,023.10 : x
  2. Step 2: Convert to fraction form
    143,145.10/214,717.65 = 130,023.10/x
  3. Step 3: Cross multiply
    143,145.10x = 214,717.65 × 130,023.10
  4. Step 4: Simplify right side
    143,145.10x = 27,918,254,477.72
  5. Step 5: Solve for x
    x = 27,918,254,477.72/143,145.10
  6. Step 6: Final answer
    x = 195,034.65

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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.