Home / 163,418.11-245,141.30-45,089.46

Finding the Fourth Proportional to 163,418.11, 245,141.30 and 45,089.46

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Solution

The fourth proportional to 163,418.11, 245,141.30 and 45,089.46 is: 67,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,418.11 : 245,141.30 = 45,089.46 : x
  2. Step 2: Convert to fraction form
    163,418.11/245,141.30 = 45,089.46/x
  3. Step 3: Cross multiply
    163,418.11x = 245,141.30 × 45,089.46
  4. Step 4: Simplify right side
    163,418.11x = 11,053,288,953.42
  5. Step 5: Solve for x
    x = 11,053,288,953.42/163,418.11
  6. Step 6: Final answer
    x = 67,638.09

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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.