Home / 248,035.84-372,153.12-90,275.20

Finding the Fourth Proportional to 248,035.84, 372,153.12 and 90,275.20

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Solution

The fourth proportional to 248,035.84, 372,153.12 and 90,275.20 is: 135,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,035.84 : 372,153.12 = 90,275.20 : x
  2. Step 2: Convert to fraction form
    248,035.84/372,153.12 = 90,275.20/x
  3. Step 3: Cross multiply
    248,035.84x = 372,153.12 × 90,275.20
  4. Step 4: Simplify right side
    248,035.84x = 33,596,197,338.62
  5. Step 5: Solve for x
    x = 33,596,197,338.62/248,035.84
  6. Step 6: Final answer
    x = 135,448.96

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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.