Home / 312,005.10-468,007.65-125,150.70

Finding the Fourth Proportional to 312,005.10, 468,007.65 and 125,150.70

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Solution

The fourth proportional to 312,005.10, 468,007.65 and 125,150.70 is: 187,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,005.10 : 468,007.65 = 125,150.70 : x
  2. Step 2: Convert to fraction form
    312,005.10/468,007.65 = 125,150.70/x
  3. Step 3: Cross multiply
    312,005.10x = 468,007.65 × 125,150.70
  4. Step 4: Simplify right side
    312,005.10x = 58,571,485,002.86
  5. Step 5: Solve for x
    x = 58,571,485,002.86/312,005.10
  6. Step 6: Final answer
    x = 187,726.05

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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.