Home / 243,721.22-336,328.98-134,822.73

Finding the Fourth Proportional to 243,721.22, 336,328.98 and 134,822.73

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Solution

The fourth proportional to 243,721.22, 336,328.98 and 134,822.73 is: 186,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,721.22 : 336,328.98 = 134,822.73 : x
  2. Step 2: Convert to fraction form
    243,721.22/336,328.98 = 134,822.73/x
  3. Step 3: Cross multiply
    243,721.22x = 336,328.98 × 134,822.73
  4. Step 4: Simplify right side
    243,721.22x = 45,344,791,261.72
  5. Step 5: Solve for x
    x = 45,344,791,261.72/243,721.22
  6. Step 6: Final answer
    x = 186,051.88

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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.