Home / 216,207.72-298,416.42-126,812.52

Finding the Fourth Proportional to 216,207.72, 298,416.42 and 126,812.52

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Solution

The fourth proportional to 216,207.72, 298,416.42 and 126,812.52 is: 175,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,207.72 : 298,416.42 = 126,812.52 : x
  2. Step 2: Convert to fraction form
    216,207.72/298,416.42 = 126,812.52/x
  3. Step 3: Cross multiply
    216,207.72x = 298,416.42 × 126,812.52
  4. Step 4: Simplify right side
    216,207.72x = 37,842,938,229.58
  5. Step 5: Solve for x
    x = 37,842,938,229.58/216,207.72
  6. Step 6: Final answer
    x = 175,030.47

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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.