Home / 127,288.86-175,639.10-73,563.50

Finding the Fourth Proportional to 127,288.86, 175,639.10 and 73,563.50

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Solution

The fourth proportional to 127,288.86, 175,639.10 and 73,563.50 is: 101,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.86 : 175,639.10 = 73,563.50 : x
  2. Step 2: Convert to fraction form
    127,288.86/175,639.10 = 73,563.50/x
  3. Step 3: Cross multiply
    127,288.86x = 175,639.10 × 73,563.50
  4. Step 4: Simplify right side
    127,288.86x = 12,920,626,932.85
  5. Step 5: Solve for x
    x = 12,920,626,932.85/127,288.86
  6. Step 6: Final answer
    x = 101,506.34

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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.