Home / 178,433.28-246,240-103,006.08

Finding the Fourth Proportional to 178,433.28, 246,240 and 103,006.08

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Solution

The fourth proportional to 178,433.28, 246,240 and 103,006.08 is: 142,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,433.28 : 246,240 = 103,006.08 : x
  2. Step 2: Convert to fraction form
    178,433.28/246,240 = 103,006.08/x
  3. Step 3: Cross multiply
    178,433.28x = 246,240 × 103,006.08
  4. Step 4: Simplify right side
    178,433.28x = 25,364,217,139.20
  5. Step 5: Solve for x
    x = 25,364,217,139.20/178,433.28
  6. Step 6: Final answer
    x = 142,149.59

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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.