Home / 139,714.47-192,801.06-76,050.90

Finding the Fourth Proportional to 139,714.47, 192,801.06 and 76,050.90

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Solution

The fourth proportional to 139,714.47, 192,801.06 and 76,050.90 is: 104,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,714.47 : 192,801.06 = 76,050.90 : x
  2. Step 2: Convert to fraction form
    139,714.47/192,801.06 = 76,050.90/x
  3. Step 3: Cross multiply
    139,714.47x = 192,801.06 × 76,050.90
  4. Step 4: Simplify right side
    139,714.47x = 14,662,694,133.95
  5. Step 5: Solve for x
    x = 14,662,694,133.95/139,714.47
  6. Step 6: Final answer
    x = 104,947.57

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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.