Home / 102,518.66-141,475.77-57,806.66

Finding the Fourth Proportional to 102,518.66, 141,475.77 and 57,806.66

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Solution

The fourth proportional to 102,518.66, 141,475.77 and 57,806.66 is: 79,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,518.66 : 141,475.77 = 57,806.66 : x
  2. Step 2: Convert to fraction form
    102,518.66/141,475.77 = 57,806.66/x
  3. Step 3: Cross multiply
    102,518.66x = 141,475.77 × 57,806.66
  4. Step 4: Simplify right side
    102,518.66x = 8,178,241,734.63
  5. Step 5: Solve for x
    x = 8,178,241,734.63/102,518.66
  6. Step 6: Final answer
    x = 79,773.20

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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.