Home / 223,077.75-307,852.16-122,475.75

Finding the Fourth Proportional to 223,077.75, 307,852.16 and 122,475.75

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Solution

The fourth proportional to 223,077.75, 307,852.16 and 122,475.75 is: 169,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,077.75 : 307,852.16 = 122,475.75 : x
  2. Step 2: Convert to fraction form
    223,077.75/307,852.16 = 122,475.75/x
  3. Step 3: Cross multiply
    223,077.75x = 307,852.16 × 122,475.75
  4. Step 4: Simplify right side
    223,077.75x = 37,704,423,572.74
  5. Step 5: Solve for x
    x = 37,704,423,572.74/223,077.75
  6. Step 6: Final answer
    x = 169,019.20

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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.