Home / 130,010.76-179,357.70-76,268.52

Finding the Fourth Proportional to 130,010.76, 179,357.70 and 76,268.52

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Solution

The fourth proportional to 130,010.76, 179,357.70 and 76,268.52 is: 105,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,010.76 : 179,357.70 = 76,268.52 : x
  2. Step 2: Convert to fraction form
    130,010.76/179,357.70 = 76,268.52/x
  3. Step 3: Cross multiply
    130,010.76x = 179,357.70 × 76,268.52
  4. Step 4: Simplify right side
    130,010.76x = 13,679,346,329.60
  5. Step 5: Solve for x
    x = 13,679,346,329.60/130,010.76
  6. Step 6: Final answer
    x = 105,217.03

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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.