Home / 102,378.12-153,567.20-40,004.88

Finding the Fourth Proportional to 102,378.12, 153,567.20 and 40,004.88

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Solution

The fourth proportional to 102,378.12, 153,567.20 and 40,004.88 is: 60,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,378.12 : 153,567.20 = 40,004.88 : x
  2. Step 2: Convert to fraction form
    102,378.12/153,567.20 = 40,004.88/x
  3. Step 3: Cross multiply
    102,378.12x = 153,567.20 × 40,004.88
  4. Step 4: Simplify right side
    102,378.12x = 6,143,437,407.94
  5. Step 5: Solve for x
    x = 6,143,437,407.94/102,378.12
  6. Step 6: Final answer
    x = 60,007.33

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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.