Home / 221,089.04-305,016.27-136,058.48

Finding the Fourth Proportional to 221,089.04, 305,016.27 and 136,058.48

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Solution

The fourth proportional to 221,089.04, 305,016.27 and 136,058.48 is: 187,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,089.04 : 305,016.27 = 136,058.48 : x
  2. Step 2: Convert to fraction form
    221,089.04/305,016.27 = 136,058.48/x
  3. Step 3: Cross multiply
    221,089.04x = 305,016.27 × 136,058.48
  4. Step 4: Simplify right side
    221,089.04x = 41,500,050,071.47
  5. Step 5: Solve for x
    x = 41,500,050,071.47/221,089.04
  6. Step 6: Final answer
    x = 187,707.41

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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.