Home / 154,946.46-213,817.13-86,957.08

Finding the Fourth Proportional to 154,946.46, 213,817.13 and 86,957.08

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Solution

The fourth proportional to 154,946.46, 213,817.13 and 86,957.08 is: 119,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,946.46 : 213,817.13 = 86,957.08 : x
  2. Step 2: Convert to fraction form
    154,946.46/213,817.13 = 86,957.08/x
  3. Step 3: Cross multiply
    154,946.46x = 213,817.13 × 86,957.08
  4. Step 4: Simplify right side
    154,946.46x = 18,592,912,844.00
  5. Step 5: Solve for x
    x = 18,592,912,844.00/154,946.46
  6. Step 6: Final answer
    x = 119,995.73

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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.