Home / 102,284.16-141,148.32-56,964

Finding the Fourth Proportional to 102,284.16, 141,148.32 and 56,964

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Solution

The fourth proportional to 102,284.16, 141,148.32 and 56,964 is: 78,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,284.16 : 141,148.32 = 56,964 : x
  2. Step 2: Convert to fraction form
    102,284.16/141,148.32 = 56,964/x
  3. Step 3: Cross multiply
    102,284.16x = 141,148.32 × 56,964
  4. Step 4: Simplify right side
    102,284.16x = 8,040,372,900.48
  5. Step 5: Solve for x
    x = 8,040,372,900.48/102,284.16
  6. Step 6: Final answer
    x = 78,608.19

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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.