Home / 223,208.48-308,029.98-121,234.94

Finding the Fourth Proportional to 223,208.48, 308,029.98 and 121,234.94

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Solution

The fourth proportional to 223,208.48, 308,029.98 and 121,234.94 is: 167,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,208.48 : 308,029.98 = 121,234.94 : x
  2. Step 2: Convert to fraction form
    223,208.48/308,029.98 = 121,234.94/x
  3. Step 3: Cross multiply
    223,208.48x = 308,029.98 × 121,234.94
  4. Step 4: Simplify right side
    223,208.48x = 37,343,996,143.50
  5. Step 5: Solve for x
    x = 37,343,996,143.50/223,208.48
  6. Step 6: Final answer
    x = 167,305.45

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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.