Home / 158,042.06-218,032.35-103,579.34

Finding the Fourth Proportional to 158,042.06, 218,032.35 and 103,579.34

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Solution

The fourth proportional to 158,042.06, 218,032.35 and 103,579.34 is: 142,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,042.06 : 218,032.35 = 103,579.34 : x
  2. Step 2: Convert to fraction form
    158,042.06/218,032.35 = 103,579.34/x
  3. Step 3: Cross multiply
    158,042.06x = 218,032.35 × 103,579.34
  4. Step 4: Simplify right side
    158,042.06x = 22,583,646,911.65
  5. Step 5: Solve for x
    x = 22,583,646,911.65/158,042.06
  6. Step 6: Final answer
    x = 142,896.43

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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.