Home / 145,220.10-217,830.15-95,453.70

Finding the Fourth Proportional to 145,220.10, 217,830.15 and 95,453.70

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Solution

The fourth proportional to 145,220.10, 217,830.15 and 95,453.70 is: 143,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220.10 : 217,830.15 = 95,453.70 : x
  2. Step 2: Convert to fraction form
    145,220.10/217,830.15 = 95,453.70/x
  3. Step 3: Cross multiply
    145,220.10x = 217,830.15 × 95,453.70
  4. Step 4: Simplify right side
    145,220.10x = 20,792,693,789.06
  5. Step 5: Solve for x
    x = 20,792,693,789.06/145,220.10
  6. Step 6: Final answer
    x = 143,180.55

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1.5x scale

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.