Home / 97,648.20-146,520.90-38,485.80

Finding the Fourth Proportional to 97,648.20, 146,520.90 and 38,485.80

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Solution

The fourth proportional to 97,648.20, 146,520.90 and 38,485.80 is: 57,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,648.20 : 146,520.90 = 38,485.80 : x
  2. Step 2: Convert to fraction form
    97,648.20/146,520.90 = 38,485.80/x
  3. Step 3: Cross multiply
    97,648.20x = 146,520.90 × 38,485.80
  4. Step 4: Simplify right side
    97,648.20x = 5,638,974,053.22
  5. Step 5: Solve for x
    x = 5,638,974,053.22/97,648.20
  6. Step 6: Final answer
    x = 57,747.85

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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.