Home / 102,365.64-141,199.94-70,479.16

Finding the Fourth Proportional to 102,365.64, 141,199.94 and 70,479.16

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Solution

The fourth proportional to 102,365.64, 141,199.94 and 70,479.16 is: 97,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,365.64 : 141,199.94 = 70,479.16 : x
  2. Step 2: Convert to fraction form
    102,365.64/141,199.94 = 70,479.16/x
  3. Step 3: Cross multiply
    102,365.64x = 141,199.94 × 70,479.16
  4. Step 4: Simplify right side
    102,365.64x = 9,951,653,163.25
  5. Step 5: Solve for x
    x = 9,951,653,163.25/102,365.64
  6. Step 6: Final answer
    x = 97,216.73

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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.