Home / 140,823.90-211,312.65-57,726.30

Finding the Fourth Proportional to 140,823.90, 211,312.65 and 57,726.30

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Solution

The fourth proportional to 140,823.90, 211,312.65 and 57,726.30 is: 86,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,823.90 : 211,312.65 = 57,726.30 : x
  2. Step 2: Convert to fraction form
    140,823.90/211,312.65 = 57,726.30/x
  3. Step 3: Cross multiply
    140,823.90x = 211,312.65 × 57,726.30
  4. Step 4: Simplify right side
    140,823.90x = 12,198,297,427.70
  5. Step 5: Solve for x
    x = 12,198,297,427.70/140,823.90
  6. Step 6: Final answer
    x = 86,620.93

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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.