Home / 219,458.90-302,877.94-123,971.76

Finding the Fourth Proportional to 219,458.90, 302,877.94 and 123,971.76

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Solution

The fourth proportional to 219,458.90, 302,877.94 and 123,971.76 is: 171,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,458.90 : 302,877.94 = 123,971.76 : x
  2. Step 2: Convert to fraction form
    219,458.90/302,877.94 = 123,971.76/x
  3. Step 3: Cross multiply
    219,458.90x = 302,877.94 × 123,971.76
  4. Step 4: Simplify right side
    219,458.90x = 37,548,311,286.97
  5. Step 5: Solve for x
    x = 37,548,311,286.97/219,458.90
  6. Step 6: Final answer
    x = 171,094.96

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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.