Home / 163,621.33-245,471.49-56,989.69

Finding the Fourth Proportional to 163,621.33, 245,471.49 and 56,989.69

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Solution

The fourth proportional to 163,621.33, 245,471.49 and 56,989.69 is: 85,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,621.33 : 245,471.49 = 56,989.69 : x
  2. Step 2: Convert to fraction form
    163,621.33/245,471.49 = 56,989.69/x
  3. Step 3: Cross multiply
    163,621.33x = 245,471.49 × 56,989.69
  4. Step 4: Simplify right side
    163,621.33x = 13,989,344,118.94
  5. Step 5: Solve for x
    x = 13,989,344,118.94/163,621.33
  6. Step 6: Final answer
    x = 85,498.29

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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.