Home / 152,255.72-228,378.10-39,935.04

Finding the Fourth Proportional to 152,255.72, 228,378.10 and 39,935.04

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Solution

The fourth proportional to 152,255.72, 228,378.10 and 39,935.04 is: 59,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,255.72 : 228,378.10 = 39,935.04 : x
  2. Step 2: Convert to fraction form
    152,255.72/228,378.10 = 39,935.04/x
  3. Step 3: Cross multiply
    152,255.72x = 228,378.10 × 39,935.04
  4. Step 4: Simplify right side
    152,255.72x = 9,120,288,558.62
  5. Step 5: Solve for x
    x = 9,120,288,558.62/152,255.72
  6. Step 6: Final answer
    x = 59,901.12

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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.