Home / 114,977.10-172,486.52-47,509.28

Finding the Fourth Proportional to 114,977.10, 172,486.52 and 47,509.28

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Solution

The fourth proportional to 114,977.10, 172,486.52 and 47,509.28 is: 71,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,977.10 : 172,486.52 = 47,509.28 : x
  2. Step 2: Convert to fraction form
    114,977.10/172,486.52 = 47,509.28/x
  3. Step 3: Cross multiply
    114,977.10x = 172,486.52 × 47,509.28
  4. Step 4: Simplify right side
    114,977.10x = 8,194,710,374.91
  5. Step 5: Solve for x
    x = 8,194,710,374.91/114,977.10
  6. Step 6: Final answer
    x = 71,272.54

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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.