Home / 178,538.87-246,345.12-103,043.63

Finding the Fourth Proportional to 178,538.87, 246,345.12 and 103,043.63

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Solution

The fourth proportional to 178,538.87, 246,345.12 and 103,043.63 is: 142,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,538.87 : 246,345.12 = 103,043.63 : x
  2. Step 2: Convert to fraction form
    178,538.87/246,345.12 = 103,043.63/x
  3. Step 3: Cross multiply
    178,538.87x = 246,345.12 × 103,043.63
  4. Step 4: Simplify right side
    178,538.87x = 25,384,294,165.86
  5. Step 5: Solve for x
    x = 25,384,294,165.86/178,538.87
  6. Step 6: Final answer
    x = 142,177.97

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1.5x scale

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.