Home / 216,319.68-298,519.52-125,728.74

Finding the Fourth Proportional to 216,319.68, 298,519.52 and 125,728.74

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Solution

The fourth proportional to 216,319.68, 298,519.52 and 125,728.74 is: 173,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,319.68 : 298,519.52 = 125,728.74 : x
  2. Step 2: Convert to fraction form
    216,319.68/298,519.52 = 125,728.74/x
  3. Step 3: Cross multiply
    216,319.68x = 298,519.52 × 125,728.74
  4. Step 4: Simplify right side
    216,319.68x = 37,532,482,486.36
  5. Step 5: Solve for x
    x = 37,532,482,486.36/216,319.68
  6. Step 6: Final answer
    x = 173,504.71

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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.