Home / 103,054.09-142,284.17-64,351.02

Finding the Fourth Proportional to 103,054.09, 142,284.17 and 64,351.02

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Solution

The fourth proportional to 103,054.09, 142,284.17 and 64,351.02 is: 88,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,054.09 : 142,284.17 = 64,351.02 : x
  2. Step 2: Convert to fraction form
    103,054.09/142,284.17 = 64,351.02/x
  3. Step 3: Cross multiply
    103,054.09x = 142,284.17 × 64,351.02
  4. Step 4: Simplify right side
    103,054.09x = 9,156,131,832.74
  5. Step 5: Solve for x
    x = 9,156,131,832.74/103,054.09
  6. Step 6: Final answer
    x = 88,847.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.