Home / 104,638.35-144,396.98-56,890.05

Finding the Fourth Proportional to 104,638.35, 144,396.98 and 56,890.05

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Solution

The fourth proportional to 104,638.35, 144,396.98 and 56,890.05 is: 78,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,638.35 : 144,396.98 = 56,890.05 : x
  2. Step 2: Convert to fraction form
    104,638.35/144,396.98 = 56,890.05/x
  3. Step 3: Cross multiply
    104,638.35x = 144,396.98 × 56,890.05
  4. Step 4: Simplify right side
    104,638.35x = 8,214,751,127.60
  5. Step 5: Solve for x
    x = 8,214,751,127.60/104,638.35
  6. Step 6: Final answer
    x = 78,506.12

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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.