Home / 130,375.17-179,904.78-76,673.39

Finding the Fourth Proportional to 130,375.17, 179,904.78 and 76,673.39

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Solution

The fourth proportional to 130,375.17, 179,904.78 and 76,673.39 is: 105,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,375.17 : 179,904.78 = 76,673.39 : x
  2. Step 2: Convert to fraction form
    130,375.17/179,904.78 = 76,673.39/x
  3. Step 3: Cross multiply
    130,375.17x = 179,904.78 × 76,673.39
  4. Step 4: Simplify right side
    130,375.17x = 13,793,908,460.28
  5. Step 5: Solve for x
    x = 13,793,908,460.28/130,375.17
  6. Step 6: Final answer
    x = 105,801.65

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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.