Home / 129,924.38-179,295.64-70,308.38

Finding the Fourth Proportional to 129,924.38, 179,295.64 and 70,308.38

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Solution

The fourth proportional to 129,924.38, 179,295.64 and 70,308.38 is: 97,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,924.38 : 179,295.64 = 70,308.38 : x
  2. Step 2: Convert to fraction form
    129,924.38/179,295.64 = 70,308.38/x
  3. Step 3: Cross multiply
    129,924.38x = 179,295.64 × 70,308.38
  4. Step 4: Simplify right side
    129,924.38x = 12,605,984,917.21
  5. Step 5: Solve for x
    x = 12,605,984,917.21/129,924.38
  6. Step 6: Final answer
    x = 97,025.56

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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.