Home / 130,476.37-180,054.33-76,764.85

Finding the Fourth Proportional to 130,476.37, 180,054.33 and 76,764.85

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Solution

The fourth proportional to 130,476.37, 180,054.33 and 76,764.85 is: 105,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,476.37 : 180,054.33 = 76,764.85 : x
  2. Step 2: Convert to fraction form
    130,476.37/180,054.33 = 76,764.85/x
  3. Step 3: Cross multiply
    130,476.37x = 180,054.33 × 76,764.85
  4. Step 4: Simplify right side
    130,476.37x = 13,821,842,734.03
  5. Step 5: Solve for x
    x = 13,821,842,734.03/130,476.37
  6. Step 6: Final answer
    x = 105,933.69

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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.