Home / 104,752.64-144,558.70-57,004.98

Finding the Fourth Proportional to 104,752.64, 144,558.70 and 57,004.98

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Solution

The fourth proportional to 104,752.64, 144,558.70 and 57,004.98 is: 78,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,752.64 : 144,558.70 = 57,004.98 : x
  2. Step 2: Convert to fraction form
    104,752.64/144,558.70 = 57,004.98/x
  3. Step 3: Cross multiply
    104,752.64x = 144,558.70 × 57,004.98
  4. Step 4: Simplify right side
    104,752.64x = 8,240,565,802.33
  5. Step 5: Solve for x
    x = 8,240,565,802.33/104,752.64
  6. Step 6: Final answer
    x = 78,666.90

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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.