Home / 163,679.09-245,529.02-51,363.74

Finding the Fourth Proportional to 163,679.09, 245,529.02 and 51,363.74

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Solution

The fourth proportional to 163,679.09, 245,529.02 and 51,363.74 is: 77,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679.09 : 245,529.02 = 51,363.74 : x
  2. Step 2: Convert to fraction form
    163,679.09/245,529.02 = 51,363.74/x
  3. Step 3: Cross multiply
    163,679.09x = 245,529.02 × 51,363.74
  4. Step 4: Simplify right side
    163,679.09x = 12,611,288,299.74
  5. Step 5: Solve for x
    x = 12,611,288,299.74/163,679.09
  6. Step 6: Final answer
    x = 77,048.87

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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.