Home / 177,769.65-245,325.96-106,136.31

Finding the Fourth Proportional to 177,769.65, 245,325.96 and 106,136.31

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Solution

The fourth proportional to 177,769.65, 245,325.96 and 106,136.31 is: 146,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,769.65 : 245,325.96 = 106,136.31 : x
  2. Step 2: Convert to fraction form
    177,769.65/245,325.96 = 106,136.31/x
  3. Step 3: Cross multiply
    177,769.65x = 245,325.96 × 106,136.31
  4. Step 4: Simplify right side
    177,769.65x = 26,037,992,141.61
  5. Step 5: Solve for x
    x = 26,037,992,141.61/177,769.65
  6. Step 6: Final answer
    x = 146,470.40

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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.