Home / 130,648.22-180,289.44-74,058.38

Finding the Fourth Proportional to 130,648.22, 180,289.44 and 74,058.38

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Solution

The fourth proportional to 130,648.22, 180,289.44 and 74,058.38 is: 102,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,648.22 : 180,289.44 = 74,058.38 : x
  2. Step 2: Convert to fraction form
    130,648.22/180,289.44 = 74,058.38/x
  3. Step 3: Cross multiply
    130,648.22x = 180,289.44 × 74,058.38
  4. Step 4: Simplify right side
    130,648.22x = 13,351,943,857.51
  5. Step 5: Solve for x
    x = 13,351,943,857.51/130,648.22
  6. Step 6: Final answer
    x = 102,197.67

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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.