Home / 152,455.86-228,720.11-52,616.91

Finding the Fourth Proportional to 152,455.86, 228,720.11 and 52,616.91

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Solution

The fourth proportional to 152,455.86, 228,720.11 and 52,616.91 is: 78,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,455.86 : 228,720.11 = 52,616.91 : x
  2. Step 2: Convert to fraction form
    152,455.86/228,720.11 = 52,616.91/x
  3. Step 3: Cross multiply
    152,455.86x = 228,720.11 × 52,616.91
  4. Step 4: Simplify right side
    152,455.86x = 12,034,545,179.98
  5. Step 5: Solve for x
    x = 12,034,545,179.98/152,455.86
  6. Step 6: Final answer
    x = 78,937.90

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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.