Home / 104,518.12-144,235.28-56,770.45

Finding the Fourth Proportional to 104,518.12, 144,235.28 and 56,770.45

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Solution

The fourth proportional to 104,518.12, 144,235.28 and 56,770.45 is: 78,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,518.12 : 144,235.28 = 56,770.45 : x
  2. Step 2: Convert to fraction form
    104,518.12/144,235.28 = 56,770.45/x
  3. Step 3: Cross multiply
    104,518.12x = 144,235.28 × 56,770.45
  4. Step 4: Simplify right side
    104,518.12x = 8,188,301,751.48
  5. Step 5: Solve for x
    x = 8,188,301,751.48/104,518.12
  6. Step 6: Final answer
    x = 78,343.37

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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.