Home / 139,238.21-208,576.41-64,254.19

Finding the Fourth Proportional to 139,238.21, 208,576.41 and 64,254.19

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Solution

The fourth proportional to 139,238.21, 208,576.41 and 64,254.19 is: 96,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,238.21 : 208,576.41 = 64,254.19 : x
  2. Step 2: Convert to fraction form
    139,238.21/208,576.41 = 64,254.19/x
  3. Step 3: Cross multiply
    139,238.21x = 208,576.41 × 64,254.19
  4. Step 4: Simplify right side
    139,238.21x = 13,401,908,277.66
  5. Step 5: Solve for x
    x = 13,401,908,277.66/139,238.21
  6. Step 6: Final answer
    x = 96,251.66

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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.