Home / 144,722.64-199,814.76-90,357.66

Finding the Fourth Proportional to 144,722.64, 199,814.76 and 90,357.66

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Solution

The fourth proportional to 144,722.64, 199,814.76 and 90,357.66 is: 124,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,722.64 : 199,814.76 = 90,357.66 : x
  2. Step 2: Convert to fraction form
    144,722.64/199,814.76 = 90,357.66/x
  3. Step 3: Cross multiply
    144,722.64x = 199,814.76 × 90,357.66
  4. Step 4: Simplify right side
    144,722.64x = 18,054,794,147.06
  5. Step 5: Solve for x
    x = 18,054,794,147.06/144,722.64
  6. Step 6: Final answer
    x = 124,754.46

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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.