Home / 163,810.55-245,688.49-45,493.85

Finding the Fourth Proportional to 163,810.55, 245,688.49 and 45,493.85

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Solution

The fourth proportional to 163,810.55, 245,688.49 and 45,493.85 is: 68,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,810.55 : 245,688.49 = 45,493.85 : x
  2. Step 2: Convert to fraction form
    163,810.55/245,688.49 = 45,493.85/x
  3. Step 3: Cross multiply
    163,810.55x = 245,688.49 × 45,493.85
  4. Step 4: Simplify right side
    163,810.55x = 11,177,315,981.88
  5. Step 5: Solve for x
    x = 11,177,315,981.88/163,810.55
  6. Step 6: Final answer
    x = 68,233.19

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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.