Home / 178,276.36-245,960.10-105,664.55

Finding the Fourth Proportional to 178,276.36, 245,960.10 and 105,664.55

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Solution

The fourth proportional to 178,276.36, 245,960.10 and 105,664.55 is: 145,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,276.36 : 245,960.10 = 105,664.55 : x
  2. Step 2: Convert to fraction form
    178,276.36/245,960.10 = 105,664.55/x
  3. Step 3: Cross multiply
    178,276.36x = 245,960.10 × 105,664.55
  4. Step 4: Simplify right side
    178,276.36x = 25,989,263,284.46
  5. Step 5: Solve for x
    x = 25,989,263,284.46/178,276.36
  6. Step 6: Final answer
    x = 145,780.76

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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.