Home / 223,377.18-308,262.90-121,402.64

Finding the Fourth Proportional to 223,377.18, 308,262.90 and 121,402.64

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Solution

The fourth proportional to 223,377.18, 308,262.90 and 121,402.64 is: 167,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,377.18 : 308,262.90 = 121,402.64 : x
  2. Step 2: Convert to fraction form
    223,377.18/308,262.90 = 121,402.64/x
  3. Step 3: Cross multiply
    223,377.18x = 308,262.90 × 121,402.64
  4. Step 4: Simplify right side
    223,377.18x = 37,423,929,874.06
  5. Step 5: Solve for x
    x = 37,423,929,874.06/223,377.18
  6. Step 6: Final answer
    x = 167,536.94

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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.