Home / 222,842.31-307,543.40-127,330.48

Finding the Fourth Proportional to 222,842.31, 307,543.40 and 127,330.48

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Solution

The fourth proportional to 222,842.31, 307,543.40 and 127,330.48 is: 175,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,842.31 : 307,543.40 = 127,330.48 : x
  2. Step 2: Convert to fraction form
    222,842.31/307,543.40 = 127,330.48/x
  3. Step 3: Cross multiply
    222,842.31x = 307,543.40 × 127,330.48
  4. Step 4: Simplify right side
    222,842.31x = 39,159,648,742.83
  5. Step 5: Solve for x
    x = 39,159,648,742.83/222,842.31
  6. Step 6: Final answer
    x = 175,728.07

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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.