Home / 190,450.14-286,165.61-143,507.90

Finding the Fourth Proportional to 190,450.14, 286,165.61 and 143,507.90

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Solution

The fourth proportional to 190,450.14, 286,165.61 and 143,507.90 is: 215,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,450.14 : 286,165.61 = 143,507.90 : x
  2. Step 2: Convert to fraction form
    190,450.14/286,165.61 = 143,507.90/x
  3. Step 3: Cross multiply
    190,450.14x = 286,165.61 × 143,507.90
  4. Step 4: Simplify right side
    190,450.14x = 41,067,026,279.35
  5. Step 5: Solve for x
    x = 41,067,026,279.35/190,450.14
  6. Step 6: Final answer
    x = 215,631.38

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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.