Home / 248,530.56-372,705.12-90,712.32

Finding the Fourth Proportional to 248,530.56, 372,705.12 and 90,712.32

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Solution

The fourth proportional to 248,530.56, 372,705.12 and 90,712.32 is: 136,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,530.56 : 372,705.12 = 90,712.32 : x
  2. Step 2: Convert to fraction form
    248,530.56/372,705.12 = 90,712.32/x
  3. Step 3: Cross multiply
    248,530.56x = 372,705.12 × 90,712.32
  4. Step 4: Simplify right side
    248,530.56x = 33,808,946,111.08
  5. Step 5: Solve for x
    x = 33,808,946,111.08/248,530.56
  6. Step 6: Final answer
    x = 136,035.37

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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.