Home / 143,312.44-213,164.39-142,832.92

Finding the Fourth Proportional to 143,312.44, 213,164.39 and 142,832.92

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Solution

The fourth proportional to 143,312.44, 213,164.39 and 142,832.92 is: 212,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,312.44 : 213,164.39 = 142,832.92 : x
  2. Step 2: Convert to fraction form
    143,312.44/213,164.39 = 142,832.92/x
  3. Step 3: Cross multiply
    143,312.44x = 213,164.39 × 142,832.92
  4. Step 4: Simplify right side
    143,312.44x = 30,446,892,263.72
  5. Step 5: Solve for x
    x = 30,446,892,263.72/143,312.44
  6. Step 6: Final answer
    x = 212,451.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.