Home / 158,918.44-219,501.48-118,810.20

Finding the Fourth Proportional to 158,918.44, 219,501.48 and 118,810.20

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Solution

The fourth proportional to 158,918.44, 219,501.48 and 118,810.20 is: 164,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,918.44 : 219,501.48 = 118,810.20 : x
  2. Step 2: Convert to fraction form
    158,918.44/219,501.48 = 118,810.20/x
  3. Step 3: Cross multiply
    158,918.44x = 219,501.48 × 118,810.20
  4. Step 4: Simplify right side
    158,918.44x = 26,079,014,739.10
  5. Step 5: Solve for x
    x = 26,079,014,739.10/158,918.44
  6. Step 6: Final answer
    x = 164,103.14

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1.5x scale

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.