Home / 177,178.16-265,721.88-52,490

Finding the Fourth Proportional to 177,178.16, 265,721.88 and 52,490

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Solution

The fourth proportional to 177,178.16, 265,721.88 and 52,490 is: 78,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,178.16 : 265,721.88 = 52,490 : x
  2. Step 2: Convert to fraction form
    177,178.16/265,721.88 = 52,490/x
  3. Step 3: Cross multiply
    177,178.16x = 265,721.88 × 52,490
  4. Step 4: Simplify right side
    177,178.16x = 13,947,741,481.20
  5. Step 5: Solve for x
    x = 13,947,741,481.20/177,178.16
  6. Step 6: Final answer
    x = 78,721.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.