Home / 163,810.08-245,418.48-75,137.76

Finding the Fourth Proportional to 163,810.08, 245,418.48 and 75,137.76

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Solution

The fourth proportional to 163,810.08, 245,418.48 and 75,137.76 is: 112,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,810.08 : 245,418.48 = 75,137.76 : x
  2. Step 2: Convert to fraction form
    163,810.08/245,418.48 = 75,137.76/x
  3. Step 3: Cross multiply
    163,810.08x = 245,418.48 × 75,137.76
  4. Step 4: Simplify right side
    163,810.08x = 18,440,194,849.80
  5. Step 5: Solve for x
    x = 18,440,194,849.80/163,810.08
  6. Step 6: Final answer
    x = 112,570.57

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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.