Home / 142,027.86-213,325.53-88,814.51

Finding the Fourth Proportional to 142,027.86, 213,325.53 and 88,814.51

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Solution

The fourth proportional to 142,027.86, 213,325.53 and 88,814.51 is: 133,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,027.86 : 213,325.53 = 88,814.51 : x
  2. Step 2: Convert to fraction form
    142,027.86/213,325.53 = 88,814.51/x
  3. Step 3: Cross multiply
    142,027.86x = 213,325.53 × 88,814.51
  4. Step 4: Simplify right side
    142,027.86x = 18,946,401,506.45
  5. Step 5: Solve for x
    x = 18,946,401,506.45/142,027.86
  6. Step 6: Final answer
    x = 133,399.19

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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.