Home / 132,973.92-183,485.85-76,385.30

Finding the Fourth Proportional to 132,973.92, 183,485.85 and 76,385.30

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Solution

The fourth proportional to 132,973.92, 183,485.85 and 76,385.30 is: 105,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,973.92 : 183,485.85 = 76,385.30 : x
  2. Step 2: Convert to fraction form
    132,973.92/183,485.85 = 76,385.30/x
  3. Step 3: Cross multiply
    132,973.92x = 183,485.85 × 76,385.30
  4. Step 4: Simplify right side
    132,973.92x = 14,015,621,698.01
  5. Step 5: Solve for x
    x = 14,015,621,698.01/132,973.92
  6. Step 6: Final answer
    x = 105,401.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.