Home / 247,100.37-340,995.45-133,920.69

Finding the Fourth Proportional to 247,100.37, 340,995.45 and 133,920.69

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Solution

The fourth proportional to 247,100.37, 340,995.45 and 133,920.69 is: 184,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,100.37 : 340,995.45 = 133,920.69 : x
  2. Step 2: Convert to fraction form
    247,100.37/340,995.45 = 133,920.69/x
  3. Step 3: Cross multiply
    247,100.37x = 340,995.45 × 133,920.69
  4. Step 4: Simplify right side
    247,100.37x = 45,666,345,950.86
  5. Step 5: Solve for x
    x = 45,666,345,950.86/247,100.37
  6. Step 6: Final answer
    x = 184,808.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.