Home / 143,771.37-215,657.01-38,590.32

Finding the Fourth Proportional to 143,771.37, 215,657.01 and 38,590.32

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Solution

The fourth proportional to 143,771.37, 215,657.01 and 38,590.32 is: 57,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,771.37 : 215,657.01 = 38,590.32 : x
  2. Step 2: Convert to fraction form
    143,771.37/215,657.01 = 38,590.32/x
  3. Step 3: Cross multiply
    143,771.37x = 215,657.01 × 38,590.32
  4. Step 4: Simplify right side
    143,771.37x = 8,322,273,026.14
  5. Step 5: Solve for x
    x = 8,322,273,026.14/143,771.37
  6. Step 6: Final answer
    x = 57,885.47

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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.