Home / 175,087.20-262,630.80-154,420.05

Finding the Fourth Proportional to 175,087.20, 262,630.80 and 154,420.05

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Solution

The fourth proportional to 175,087.20, 262,630.80 and 154,420.05 is: 231,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,087.20 : 262,630.80 = 154,420.05 : x
  2. Step 2: Convert to fraction form
    175,087.20/262,630.80 = 154,420.05/x
  3. Step 3: Cross multiply
    175,087.20x = 262,630.80 × 154,420.05
  4. Step 4: Simplify right side
    175,087.20x = 40,555,461,267.54
  5. Step 5: Solve for x
    x = 40,555,461,267.54/175,087.20
  6. Step 6: Final answer
    x = 231,630.08

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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.