Home / 499,981.86-749,977.65-126,004.86

Finding the Fourth Proportional to 499,981.86, 749,977.65 and 126,004.86

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Solution

The fourth proportional to 499,981.86, 749,977.65 and 126,004.86 is: 189,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,981.86 : 749,977.65 = 126,004.86 : x
  2. Step 2: Convert to fraction form
    499,981.86/749,977.65 = 126,004.86/x
  3. Step 3: Cross multiply
    499,981.86x = 749,977.65 × 126,004.86
  4. Step 4: Simplify right side
    499,981.86x = 94,500,828,791.38
  5. Step 5: Solve for x
    x = 94,500,828,791.38/499,981.86
  6. Step 6: Final answer
    x = 189,008.51

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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.