Home / 154,541.11-213,252.38-87,473.11

Finding the Fourth Proportional to 154,541.11, 213,252.38 and 87,473.11

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Solution

The fourth proportional to 154,541.11, 213,252.38 and 87,473.11 is: 120,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,541.11 : 213,252.38 = 87,473.11 : x
  2. Step 2: Convert to fraction form
    154,541.11/213,252.38 = 87,473.11/x
  3. Step 3: Cross multiply
    154,541.11x = 213,252.38 × 87,473.11
  4. Step 4: Simplify right side
    154,541.11x = 18,653,848,045.92
  5. Step 5: Solve for x
    x = 18,653,848,045.92/154,541.11
  6. Step 6: Final answer
    x = 120,704.77

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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.