Home / 129,866.24-179,048.78-106,496.47

Finding the Fourth Proportional to 129,866.24, 179,048.78 and 106,496.47

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Solution

The fourth proportional to 129,866.24, 179,048.78 and 106,496.47 is: 146,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,866.24 : 179,048.78 = 106,496.47 : x
  2. Step 2: Convert to fraction form
    129,866.24/179,048.78 = 106,496.47/x
  3. Step 3: Cross multiply
    129,866.24x = 179,048.78 × 106,496.47
  4. Step 4: Simplify right side
    129,866.24x = 19,068,063,118.50
  5. Step 5: Solve for x
    x = 19,068,063,118.50/129,866.24
  6. Step 6: Final answer
    x = 146,828.49

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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.