Home / 117,428.22-162,048.90-71,471.25

Finding the Fourth Proportional to 117,428.22, 162,048.90 and 71,471.25

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Solution

The fourth proportional to 117,428.22, 162,048.90 and 71,471.25 is: 98,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,428.22 : 162,048.90 = 71,471.25 : x
  2. Step 2: Convert to fraction form
    117,428.22/162,048.90 = 71,471.25/x
  3. Step 3: Cross multiply
    117,428.22x = 162,048.90 × 71,471.25
  4. Step 4: Simplify right side
    117,428.22x = 11,581,837,444.13
  5. Step 5: Solve for x
    x = 11,581,837,444.13/117,428.22
  6. Step 6: Final answer
    x = 98,629.08

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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.