Home / 97,995.20-146,920.80-38,801.60

Finding the Fourth Proportional to 97,995.20, 146,920.80 and 38,801.60

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Solution

The fourth proportional to 97,995.20, 146,920.80 and 38,801.60 is: 58,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,995.20 : 146,920.80 = 38,801.60 : x
  2. Step 2: Convert to fraction form
    97,995.20/146,920.80 = 38,801.60/x
  3. Step 3: Cross multiply
    97,995.20x = 146,920.80 × 38,801.60
  4. Step 4: Simplify right side
    97,995.20x = 5,700,762,113.28
  5. Step 5: Solve for x
    x = 5,700,762,113.28/97,995.20
  6. Step 6: Final answer
    x = 58,173.89

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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.