Home / 177,744.48-245,314.08-102,278.40

Finding the Fourth Proportional to 177,744.48, 245,314.08 and 102,278.40

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Solution

The fourth proportional to 177,744.48, 245,314.08 and 102,278.40 is: 141,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,744.48 : 245,314.08 = 102,278.40 : x
  2. Step 2: Convert to fraction form
    177,744.48/245,314.08 = 102,278.40/x
  3. Step 3: Cross multiply
    177,744.48x = 245,314.08 × 102,278.40
  4. Step 4: Simplify right side
    177,744.48x = 25,090,331,599.87
  5. Step 5: Solve for x
    x = 25,090,331,599.87/177,744.48
  6. Step 6: Final answer
    x = 141,159.55

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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.