Home / 127,716.22-191,582.98-48,838.78

Finding the Fourth Proportional to 127,716.22, 191,582.98 and 48,838.78

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Solution

The fourth proportional to 127,716.22, 191,582.98 and 48,838.78 is: 73,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,716.22 : 191,582.98 = 48,838.78 : x
  2. Step 2: Convert to fraction form
    127,716.22/191,582.98 = 48,838.78/x
  3. Step 3: Cross multiply
    127,716.22x = 191,582.98 × 48,838.78
  4. Step 4: Simplify right side
    127,716.22x = 9,356,679,011.96
  5. Step 5: Solve for x
    x = 9,356,679,011.96/127,716.22
  6. Step 6: Final answer
    x = 73,261.48

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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.