Home / 104,726.45-144,525.60-56,982.89

Finding the Fourth Proportional to 104,726.45, 144,525.60 and 56,982.89

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Solution

The fourth proportional to 104,726.45, 144,525.60 and 56,982.89 is: 78,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.45 : 144,525.60 = 56,982.89 : x
  2. Step 2: Convert to fraction form
    104,726.45/144,525.60 = 56,982.89/x
  3. Step 3: Cross multiply
    104,726.45x = 144,525.60 × 56,982.89
  4. Step 4: Simplify right side
    104,726.45x = 8,235,486,728.30
  5. Step 5: Solve for x
    x = 8,235,486,728.30/104,726.45
  6. Step 6: Final answer
    x = 78,638.08

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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.