Home / 163,819.94-245,741.02-55,705.28

Finding the Fourth Proportional to 163,819.94, 245,741.02 and 55,705.28

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Solution

The fourth proportional to 163,819.94, 245,741.02 and 55,705.28 is: 83,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,819.94 : 245,741.02 = 55,705.28 : x
  2. Step 2: Convert to fraction form
    163,819.94/245,741.02 = 55,705.28/x
  3. Step 3: Cross multiply
    163,819.94x = 245,741.02 × 55,705.28
  4. Step 4: Simplify right side
    163,819.94x = 13,689,072,326.59
  5. Step 5: Solve for x
    x = 13,689,072,326.59/163,819.94
  6. Step 6: Final answer
    x = 83,561.70

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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.