Home / 158,851.40-238,430.70-135,504.20

Finding the Fourth Proportional to 158,851.40, 238,430.70 and 135,504.20

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Solution

The fourth proportional to 158,851.40, 238,430.70 and 135,504.20 is: 203,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,851.40 : 238,430.70 = 135,504.20 : x
  2. Step 2: Convert to fraction form
    158,851.40/238,430.70 = 135,504.20/x
  3. Step 3: Cross multiply
    158,851.40x = 238,430.70 × 135,504.20
  4. Step 4: Simplify right side
    158,851.40x = 32,308,361,258.94
  5. Step 5: Solve for x
    x = 32,308,361,258.94/158,851.40
  6. Step 6: Final answer
    x = 203,387.32

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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.