Home / 152,410.78-210,429.56-95,137.30

Finding the Fourth Proportional to 152,410.78, 210,429.56 and 95,137.30

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Solution

The fourth proportional to 152,410.78, 210,429.56 and 95,137.30 is: 131,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,410.78 : 210,429.56 = 95,137.30 : x
  2. Step 2: Convert to fraction form
    152,410.78/210,429.56 = 95,137.30/x
  3. Step 3: Cross multiply
    152,410.78x = 210,429.56 × 95,137.30
  4. Step 4: Simplify right side
    152,410.78x = 20,019,700,178.59
  5. Step 5: Solve for x
    x = 20,019,700,178.59/152,410.78
  6. Step 6: Final answer
    x = 131,353.57

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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.