Home / 164,642.63-227,209.25-89,191.13

Finding the Fourth Proportional to 164,642.63, 227,209.25 and 89,191.13

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Solution

The fourth proportional to 164,642.63, 227,209.25 and 89,191.13 is: 123,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,642.63 : 227,209.25 = 89,191.13 : x
  2. Step 2: Convert to fraction form
    164,642.63/227,209.25 = 89,191.13/x
  3. Step 3: Cross multiply
    164,642.63x = 227,209.25 × 89,191.13
  4. Step 4: Simplify right side
    164,642.63x = 20,265,048,840.88
  5. Step 5: Solve for x
    x = 20,265,048,840.88/164,642.63
  6. Step 6: Final answer
    x = 123,085.07

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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.