Home / 76,733.12-115,102.56-24,142.40

Finding the Fourth Proportional to 76,733.12, 115,102.56 and 24,142.40

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Solution

The fourth proportional to 76,733.12, 115,102.56 and 24,142.40 is: 36,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,733.12 : 115,102.56 = 24,142.40 : x
  2. Step 2: Convert to fraction form
    76,733.12/115,102.56 = 24,142.40/x
  3. Step 3: Cross multiply
    76,733.12x = 115,102.56 × 24,142.40
  4. Step 4: Simplify right side
    76,733.12x = 2,778,852,044.54
  5. Step 5: Solve for x
    x = 2,778,852,044.54/76,733.12
  6. Step 6: Final answer
    x = 36,214.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.