Home / 143,505.50-215,117.71-53,482.30

Finding the Fourth Proportional to 143,505.50, 215,117.71 and 53,482.30

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Solution

The fourth proportional to 143,505.50, 215,117.71 and 53,482.30 is: 80,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,505.50 : 215,117.71 = 53,482.30 : x
  2. Step 2: Convert to fraction form
    143,505.50/215,117.71 = 53,482.30/x
  3. Step 3: Cross multiply
    143,505.50x = 215,117.71 × 53,482.30
  4. Step 4: Simplify right side
    143,505.50x = 11,504,989,230.03
  5. Step 5: Solve for x
    x = 11,504,989,230.03/143,505.50
  6. Step 6: Final answer
    x = 80,171.07

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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.