Home / 136,883.07-188,894.75-76,451.94

Finding the Fourth Proportional to 136,883.07, 188,894.75 and 76,451.94

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Solution

The fourth proportional to 136,883.07, 188,894.75 and 76,451.94 is: 105,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,883.07 : 188,894.75 = 76,451.94 : x
  2. Step 2: Convert to fraction form
    136,883.07/188,894.75 = 76,451.94/x
  3. Step 3: Cross multiply
    136,883.07x = 188,894.75 × 76,451.94
  4. Step 4: Simplify right side
    136,883.07x = 14,441,369,711.06
  5. Step 5: Solve for x
    x = 14,441,369,711.06/136,883.07
  6. Step 6: Final answer
    x = 105,501.50

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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.