Home / 102,875.24-141,958.50-65,148.68

Finding the Fourth Proportional to 102,875.24, 141,958.50 and 65,148.68

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Solution

The fourth proportional to 102,875.24, 141,958.50 and 65,148.68 is: 89,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,875.24 : 141,958.50 = 65,148.68 : x
  2. Step 2: Convert to fraction form
    102,875.24/141,958.50 = 65,148.68/x
  3. Step 3: Cross multiply
    102,875.24x = 141,958.50 × 65,148.68
  4. Step 4: Simplify right side
    102,875.24x = 9,248,408,889.78
  5. Step 5: Solve for x
    x = 9,248,408,889.78/102,875.24
  6. Step 6: Final answer
    x = 89,899.27

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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.