Home / 154,424.24-213,127.74-89,000.34

Finding the Fourth Proportional to 154,424.24, 213,127.74 and 89,000.34

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Solution

The fourth proportional to 154,424.24, 213,127.74 and 89,000.34 is: 122,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,424.24 : 213,127.74 = 89,000.34 : x
  2. Step 2: Convert to fraction form
    154,424.24/213,127.74 = 89,000.34/x
  3. Step 3: Cross multiply
    154,424.24x = 213,127.74 × 89,000.34
  4. Step 4: Simplify right side
    154,424.24x = 18,968,441,323.43
  5. Step 5: Solve for x
    x = 18,968,441,323.43/154,424.24
  6. Step 6: Final answer
    x = 122,833.32

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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.