Home / 162,287.06-223,954.61-90,679.41

Finding the Fourth Proportional to 162,287.06, 223,954.61 and 90,679.41

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Solution

The fourth proportional to 162,287.06, 223,954.61 and 90,679.41 is: 125,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,287.06 : 223,954.61 = 90,679.41 : x
  2. Step 2: Convert to fraction form
    162,287.06/223,954.61 = 90,679.41/x
  3. Step 3: Cross multiply
    162,287.06x = 223,954.61 × 90,679.41
  4. Step 4: Simplify right side
    162,287.06x = 20,308,071,448.18
  5. Step 5: Solve for x
    x = 20,308,071,448.18/162,287.06
  6. Step 6: Final answer
    x = 125,136.73

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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.