Home / 104,427.04-144,105.45-56,679.36

Finding the Fourth Proportional to 104,427.04, 144,105.45 and 56,679.36

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Solution

The fourth proportional to 104,427.04, 144,105.45 and 56,679.36 is: 78,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.04 : 144,105.45 = 56,679.36 : x
  2. Step 2: Convert to fraction form
    104,427.04/144,105.45 = 56,679.36/x
  3. Step 3: Cross multiply
    104,427.04x = 144,105.45 × 56,679.36
  4. Step 4: Simplify right side
    104,427.04x = 8,167,804,318.25
  5. Step 5: Solve for x
    x = 8,167,804,318.25/104,427.04
  6. Step 6: Final answer
    x = 78,215.42

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1.5x scale

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.