Home / 216,316.68-298,515.38-125,725.74

Finding the Fourth Proportional to 216,316.68, 298,515.38 and 125,725.74

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Solution

The fourth proportional to 216,316.68, 298,515.38 and 125,725.74 is: 173,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,316.68 : 298,515.38 = 125,725.74 : x
  2. Step 2: Convert to fraction form
    216,316.68/298,515.38 = 125,725.74/x
  3. Step 3: Cross multiply
    216,316.68x = 298,515.38 × 125,725.74
  4. Step 4: Simplify right side
    216,316.68x = 37,531,066,423.25
  5. Step 5: Solve for x
    x = 37,531,066,423.25/216,316.68
  6. Step 6: Final answer
    x = 173,500.57

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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.