Home / 104,534.98-144,258.45-56,788.37

Finding the Fourth Proportional to 104,534.98, 144,258.45 and 56,788.37

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Solution

The fourth proportional to 104,534.98, 144,258.45 and 56,788.37 is: 78,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,534.98 : 144,258.45 = 56,788.37 : x
  2. Step 2: Convert to fraction form
    104,534.98/144,258.45 = 56,788.37/x
  3. Step 3: Cross multiply
    104,534.98x = 144,258.45 × 56,788.37
  4. Step 4: Simplify right side
    104,534.98x = 8,192,201,840.95
  5. Step 5: Solve for x
    x = 8,192,201,840.95/104,534.98
  6. Step 6: Final answer
    x = 78,368.04

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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.