Home / 217,615.72-326,161.02-112,377.16

Finding the Fourth Proportional to 217,615.72, 326,161.02 and 112,377.16

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Solution

The fourth proportional to 217,615.72, 326,161.02 and 112,377.16 is: 168,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,615.72 : 326,161.02 = 112,377.16 : x
  2. Step 2: Convert to fraction form
    217,615.72/326,161.02 = 112,377.16/x
  3. Step 3: Cross multiply
    217,615.72x = 326,161.02 × 112,377.16
  4. Step 4: Simplify right side
    217,615.72x = 36,653,049,130.30
  5. Step 5: Solve for x
    x = 36,653,049,130.30/217,615.72
  6. Step 6: Final answer
    x = 168,430.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.