Home / 140,939.30-211,419.33-61,054.77

Finding the Fourth Proportional to 140,939.30, 211,419.33 and 61,054.77

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Solution

The fourth proportional to 140,939.30, 211,419.33 and 61,054.77 is: 91,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,939.30 : 211,419.33 = 61,054.77 : x
  2. Step 2: Convert to fraction form
    140,939.30/211,419.33 = 61,054.77/x
  3. Step 3: Cross multiply
    140,939.30x = 211,419.33 × 61,054.77
  4. Step 4: Simplify right side
    140,939.30x = 12,908,158,566.70
  5. Step 5: Solve for x
    x = 12,908,158,566.70/140,939.30
  6. Step 6: Final answer
    x = 91,586.65

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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.