Home / 143,023.10-214,343.58-75,417.26

Finding the Fourth Proportional to 143,023.10, 214,343.58 and 75,417.26

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Solution

The fourth proportional to 143,023.10, 214,343.58 and 75,417.26 is: 113,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,023.10 : 214,343.58 = 75,417.26 : x
  2. Step 2: Convert to fraction form
    143,023.10/214,343.58 = 75,417.26/x
  3. Step 3: Cross multiply
    143,023.10x = 214,343.58 × 75,417.26
  4. Step 4: Simplify right side
    143,023.10x = 16,165,205,502.19
  5. Step 5: Solve for x
    x = 16,165,205,502.19/143,023.10
  6. Step 6: Final answer
    x = 113,025.14

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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.