Home / 158,964.23-219,220.03-104,420.45

Finding the Fourth Proportional to 158,964.23, 219,220.03 and 104,420.45

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Solution

The fourth proportional to 158,964.23, 219,220.03 and 104,420.45 is: 144,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,964.23 : 219,220.03 = 104,420.45 : x
  2. Step 2: Convert to fraction form
    158,964.23/219,220.03 = 104,420.45/x
  3. Step 3: Cross multiply
    158,964.23x = 219,220.03 × 104,420.45
  4. Step 4: Simplify right side
    158,964.23x = 22,891,053,659.51
  5. Step 5: Solve for x
    x = 22,891,053,659.51/158,964.23
  6. Step 6: Final answer
    x = 144,001.29

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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.