Home / 137,882.22-190,296.63-77,457.48

Finding the Fourth Proportional to 137,882.22, 190,296.63 and 77,457.48

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Solution

The fourth proportional to 137,882.22, 190,296.63 and 77,457.48 is: 106,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,882.22 : 190,296.63 = 77,457.48 : x
  2. Step 2: Convert to fraction form
    137,882.22/190,296.63 = 77,457.48/x
  3. Step 3: Cross multiply
    137,882.22x = 190,296.63 × 77,457.48
  4. Step 4: Simplify right side
    137,882.22x = 14,739,897,412.29
  5. Step 5: Solve for x
    x = 14,739,897,412.29/137,882.22
  6. Step 6: Final answer
    x = 106,902.09

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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.