Home / 163,629.30-245,383.16-56,985.87

Finding the Fourth Proportional to 163,629.30, 245,383.16 and 56,985.87

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Solution

The fourth proportional to 163,629.30, 245,383.16 and 56,985.87 is: 85,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,629.30 : 245,383.16 = 56,985.87 : x
  2. Step 2: Convert to fraction form
    163,629.30/245,383.16 = 56,985.87/x
  3. Step 3: Cross multiply
    163,629.30x = 245,383.16 × 56,985.87
  4. Step 4: Simplify right side
    163,629.30x = 13,983,372,571.02
  5. Step 5: Solve for x
    x = 13,983,372,571.02/163,629.30
  6. Step 6: Final answer
    x = 85,457.63

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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.