Home / 154,541.36-213,252.73-87,473.36

Finding the Fourth Proportional to 154,541.36, 213,252.73 and 87,473.36

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Solution

The fourth proportional to 154,541.36, 213,252.73 and 87,473.36 is: 120,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,541.36 : 213,252.73 = 87,473.36 : x
  2. Step 2: Convert to fraction form
    154,541.36/213,252.73 = 87,473.36/x
  3. Step 3: Cross multiply
    154,541.36x = 213,252.73 × 87,473.36
  4. Step 4: Simplify right side
    154,541.36x = 18,653,931,537.33
  5. Step 5: Solve for x
    x = 18,653,931,537.33/154,541.36
  6. Step 6: Final answer
    x = 120,705.11

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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.