Home / 140,178.21-210,052.07-95,141.07

Finding the Fourth Proportional to 140,178.21, 210,052.07 and 95,141.07

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Solution

The fourth proportional to 140,178.21, 210,052.07 and 95,141.07 is: 142,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,178.21 : 210,052.07 = 95,141.07 : x
  2. Step 2: Convert to fraction form
    140,178.21/210,052.07 = 95,141.07/x
  3. Step 3: Cross multiply
    140,178.21x = 210,052.07 × 95,141.07
  4. Step 4: Simplify right side
    140,178.21x = 19,984,578,219.81
  5. Step 5: Solve for x
    x = 19,984,578,219.81/140,178.21
  6. Step 6: Final answer
    x = 142,565.51

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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.