Home / 164,572.18-227,109.49-89,120.68

Finding the Fourth Proportional to 164,572.18, 227,109.49 and 89,120.68

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Solution

The fourth proportional to 164,572.18, 227,109.49 and 89,120.68 is: 122,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,572.18 : 227,109.49 = 89,120.68 : x
  2. Step 2: Convert to fraction form
    164,572.18/227,109.49 = 89,120.68/x
  3. Step 3: Cross multiply
    164,572.18x = 227,109.49 × 89,120.68
  4. Step 4: Simplify right side
    164,572.18x = 20,240,151,392.68
  5. Step 5: Solve for x
    x = 20,240,151,392.68/164,572.18
  6. Step 6: Final answer
    x = 122,986.47

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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.