Home / 113,984.72-170,977.08-30,878.72

Finding the Fourth Proportional to 113,984.72, 170,977.08 and 30,878.72

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Solution

The fourth proportional to 113,984.72, 170,977.08 and 30,878.72 is: 46,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,984.72 : 170,977.08 = 30,878.72 : x
  2. Step 2: Convert to fraction form
    113,984.72/170,977.08 = 30,878.72/x
  3. Step 3: Cross multiply
    113,984.72x = 170,977.08 × 30,878.72
  4. Step 4: Simplify right side
    113,984.72x = 5,279,553,108.12
  5. Step 5: Solve for x
    x = 5,279,553,108.12/113,984.72
  6. Step 6: Final answer
    x = 46,318.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.