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Finding the Fourth Proportional to 134,860.80, 202,291.20 and 41,354.40

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Solution

The fourth proportional to 134,860.80, 202,291.20 and 41,354.40 is: 62,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.80 : 202,291.20 = 41,354.40 : x
  2. Step 2: Convert to fraction form
    134,860.80/202,291.20 = 41,354.40/x
  3. Step 3: Cross multiply
    134,860.80x = 202,291.20 × 41,354.40
  4. Step 4: Simplify right side
    134,860.80x = 8,365,631,201.28
  5. Step 5: Solve for x
    x = 8,365,631,201.28/134,860.80
  6. Step 6: Final answer
    x = 62,031.60

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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.