Home / 130,917.25-180,667.02-74,329.84

Finding the Fourth Proportional to 130,917.25, 180,667.02 and 74,329.84

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Solution

The fourth proportional to 130,917.25, 180,667.02 and 74,329.84 is: 102,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,917.25 : 180,667.02 = 74,329.84 : x
  2. Step 2: Convert to fraction form
    130,917.25/180,667.02 = 74,329.84/x
  3. Step 3: Cross multiply
    130,917.25x = 180,667.02 × 74,329.84
  4. Step 4: Simplify right side
    130,917.25x = 13,428,950,689.88
  5. Step 5: Solve for x
    x = 13,428,950,689.88/130,917.25
  6. Step 6: Final answer
    x = 102,575.87

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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.