Home / 140,869.30-211,106.52-65,811.46

Finding the Fourth Proportional to 140,869.30, 211,106.52 and 65,811.46

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Solution

The fourth proportional to 140,869.30, 211,106.52 and 65,811.46 is: 98,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,869.30 : 211,106.52 = 65,811.46 : x
  2. Step 2: Convert to fraction form
    140,869.30/211,106.52 = 65,811.46/x
  3. Step 3: Cross multiply
    140,869.30x = 211,106.52 × 65,811.46
  4. Step 4: Simplify right side
    140,869.30x = 13,893,228,296.72
  5. Step 5: Solve for x
    x = 13,893,228,296.72/140,869.30
  6. Step 6: Final answer
    x = 98,624.95

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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.