Home / 140,583.12-210,863.88-51,820.08

Finding the Fourth Proportional to 140,583.12, 210,863.88 and 51,820.08

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Solution

The fourth proportional to 140,583.12, 210,863.88 and 51,820.08 is: 77,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,583.12 : 210,863.88 = 51,820.08 : x
  2. Step 2: Convert to fraction form
    140,583.12/210,863.88 = 51,820.08/x
  3. Step 3: Cross multiply
    140,583.12x = 210,863.88 × 51,820.08
  4. Step 4: Simplify right side
    140,583.12x = 10,926,983,130.71
  5. Step 5: Solve for x
    x = 10,926,983,130.71/140,583.12
  6. Step 6: Final answer
    x = 77,726.14

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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.