Home / 151,802.10-227,840.85-76,974.30

Finding the Fourth Proportional to 151,802.10, 227,840.85 and 76,974.30

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Solution

The fourth proportional to 151,802.10, 227,840.85 and 76,974.30 is: 115,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,802.10 : 227,840.85 = 76,974.30 : x
  2. Step 2: Convert to fraction form
    151,802.10/227,840.85 = 76,974.30/x
  3. Step 3: Cross multiply
    151,802.10x = 227,840.85 × 76,974.30
  4. Step 4: Simplify right side
    151,802.10x = 17,537,889,940.16
  5. Step 5: Solve for x
    x = 17,537,889,940.16/151,802.10
  6. Step 6: Final answer
    x = 115,531.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.