Home / 179,507.31-247,710.45-98,918.79

Finding the Fourth Proportional to 179,507.31, 247,710.45 and 98,918.79

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Solution

The fourth proportional to 179,507.31, 247,710.45 and 98,918.79 is: 136,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,507.31 : 247,710.45 = 98,918.79 : x
  2. Step 2: Convert to fraction form
    179,507.31/247,710.45 = 98,918.79/x
  3. Step 3: Cross multiply
    179,507.31x = 247,710.45 × 98,918.79
  4. Step 4: Simplify right side
    179,507.31x = 24,503,217,984.36
  5. Step 5: Solve for x
    x = 24,503,217,984.36/179,507.31
  6. Step 6: Final answer
    x = 136,502.62

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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.