Home / 178,784.60-246,619.65-107,123.10

Finding the Fourth Proportional to 178,784.60, 246,619.65 and 107,123.10

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Solution

The fourth proportional to 178,784.60, 246,619.65 and 107,123.10 is: 147,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,784.60 : 246,619.65 = 107,123.10 : x
  2. Step 2: Convert to fraction form
    178,784.60/246,619.65 = 107,123.10/x
  3. Step 3: Cross multiply
    178,784.60x = 246,619.65 × 107,123.10
  4. Step 4: Simplify right side
    178,784.60x = 26,418,661,428.92
  5. Step 5: Solve for x
    x = 26,418,661,428.92/178,784.60
  6. Step 6: Final answer
    x = 147,768.11

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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.