Home / 97,440.20-146,160.30-38,256.20

Finding the Fourth Proportional to 97,440.20, 146,160.30 and 38,256.20

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Solution

The fourth proportional to 97,440.20, 146,160.30 and 38,256.20 is: 57,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,440.20 : 146,160.30 = 38,256.20 : x
  2. Step 2: Convert to fraction form
    97,440.20/146,160.30 = 38,256.20/x
  3. Step 3: Cross multiply
    97,440.20x = 146,160.30 × 38,256.20
  4. Step 4: Simplify right side
    97,440.20x = 5,591,537,668.86
  5. Step 5: Solve for x
    x = 5,591,537,668.86/97,440.20
  6. Step 6: Final answer
    x = 57,384.30

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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.