Home / 154,632.94-213,822.93-122,746.48

Finding the Fourth Proportional to 154,632.94, 213,822.93 and 122,746.48

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Solution

The fourth proportional to 154,632.94, 213,822.93 and 122,746.48 is: 169,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,632.94 : 213,822.93 = 122,746.48 : x
  2. Step 2: Convert to fraction form
    154,632.94/213,822.93 = 122,746.48/x
  3. Step 3: Cross multiply
    154,632.94x = 213,822.93 × 122,746.48
  4. Step 4: Simplify right side
    154,632.94x = 26,246,012,000.79
  5. Step 5: Solve for x
    x = 26,246,012,000.79/154,632.94
  6. Step 6: Final answer
    x = 169,731.05

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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.