Home / 145,200.86-217,826.85-51,706.70

Finding the Fourth Proportional to 145,200.86, 217,826.85 and 51,706.70

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Solution

The fourth proportional to 145,200.86, 217,826.85 and 51,706.70 is: 77,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,200.86 : 217,826.85 = 51,706.70 : x
  2. Step 2: Convert to fraction form
    145,200.86/217,826.85 = 51,706.70/x
  3. Step 3: Cross multiply
    145,200.86x = 217,826.85 × 51,706.70
  4. Step 4: Simplify right side
    145,200.86x = 11,263,107,584.90
  5. Step 5: Solve for x
    x = 11,263,107,584.90/145,200.86
  6. Step 6: Final answer
    x = 77,569.15

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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.