Home / 248,577.60-372,769.20-90,724.80

Finding the Fourth Proportional to 248,577.60, 372,769.20 and 90,724.80

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Solution

The fourth proportional to 248,577.60, 372,769.20 and 90,724.80 is: 136,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,577.60 : 372,769.20 = 90,724.80 : x
  2. Step 2: Convert to fraction form
    248,577.60/372,769.20 = 90,724.80/x
  3. Step 3: Cross multiply
    248,577.60x = 372,769.20 × 90,724.80
  4. Step 4: Simplify right side
    248,577.60x = 33,819,411,116.16
  5. Step 5: Solve for x
    x = 33,819,411,116.16/248,577.60
  6. Step 6: Final answer
    x = 136,051.72

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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.