Home / 177,723.48-245,285.10-102,257.40

Finding the Fourth Proportional to 177,723.48, 245,285.10 and 102,257.40

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Solution

The fourth proportional to 177,723.48, 245,285.10 and 102,257.40 is: 141,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,723.48 : 245,285.10 = 102,257.40 : x
  2. Step 2: Convert to fraction form
    177,723.48/245,285.10 = 102,257.40/x
  3. Step 3: Cross multiply
    177,723.48x = 245,285.10 × 102,257.40
  4. Step 4: Simplify right side
    177,723.48x = 25,082,216,584.74
  5. Step 5: Solve for x
    x = 25,082,216,584.74/177,723.48
  6. Step 6: Final answer
    x = 141,130.57

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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.