Home / 140,350.82-210,525.93-56,130.66

Finding the Fourth Proportional to 140,350.82, 210,525.93 and 56,130.66

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Solution

The fourth proportional to 140,350.82, 210,525.93 and 56,130.66 is: 84,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,350.82 : 210,525.93 = 56,130.66 : x
  2. Step 2: Convert to fraction form
    140,350.82/210,525.93 = 56,130.66/x
  3. Step 3: Cross multiply
    140,350.82x = 210,525.93 × 56,130.66
  4. Step 4: Simplify right side
    140,350.82x = 11,816,959,398.01
  5. Step 5: Solve for x
    x = 11,816,959,398.01/140,350.82
  6. Step 6: Final answer
    x = 84,195.87

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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.