Home / 164,665.17-227,237.40-89,213.67

Finding the Fourth Proportional to 164,665.17, 227,237.40 and 89,213.67

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Solution

The fourth proportional to 164,665.17, 227,237.40 and 89,213.67 is: 123,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,665.17 : 227,237.40 = 89,213.67 : x
  2. Step 2: Convert to fraction form
    164,665.17/227,237.40 = 89,213.67/x
  3. Step 3: Cross multiply
    164,665.17x = 227,237.40 × 89,213.67
  4. Step 4: Simplify right side
    164,665.17x = 20,272,682,415.26
  5. Step 5: Solve for x
    x = 20,272,682,415.26/164,665.17
  6. Step 6: Final answer
    x = 123,114.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.