Home / 102,668.01-141,680.35-57,346.63

Finding the Fourth Proportional to 102,668.01, 141,680.35 and 57,346.63

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Solution

The fourth proportional to 102,668.01, 141,680.35 and 57,346.63 is: 79,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,668.01 : 141,680.35 = 57,346.63 : x
  2. Step 2: Convert to fraction form
    102,668.01/141,680.35 = 57,346.63/x
  3. Step 3: Cross multiply
    102,668.01x = 141,680.35 × 57,346.63
  4. Step 4: Simplify right side
    102,668.01x = 8,124,890,609.72
  5. Step 5: Solve for x
    x = 8,124,890,609.72/102,668.01
  6. Step 6: Final answer
    x = 79,137.51

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1.5x scale

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.