Home / 140,637.29-210,972.33-56,426.85

Finding the Fourth Proportional to 140,637.29, 210,972.33 and 56,426.85

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Solution

The fourth proportional to 140,637.29, 210,972.33 and 56,426.85 is: 84,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,637.29 : 210,972.33 = 56,426.85 : x
  2. Step 2: Convert to fraction form
    140,637.29/210,972.33 = 56,426.85/x
  3. Step 3: Cross multiply
    140,637.29x = 210,972.33 × 56,426.85
  4. Step 4: Simplify right side
    140,637.29x = 11,904,504,019.06
  5. Step 5: Solve for x
    x = 11,904,504,019.06/140,637.29
  6. Step 6: Final answer
    x = 84,646.86

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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.