Home / 130,954.01-196,435.87-42,208.79

Finding the Fourth Proportional to 130,954.01, 196,435.87 and 42,208.79

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Solution

The fourth proportional to 130,954.01, 196,435.87 and 42,208.79 is: 63,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,954.01 : 196,435.87 = 42,208.79 : x
  2. Step 2: Convert to fraction form
    130,954.01/196,435.87 = 42,208.79/x
  3. Step 3: Cross multiply
    130,954.01x = 196,435.87 × 42,208.79
  4. Step 4: Simplify right side
    130,954.01x = 8,291,319,297.60
  5. Step 5: Solve for x
    x = 8,291,319,297.60/130,954.01
  6. Step 6: Final answer
    x = 63,314.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.