Home / 139,032.07-191,678.70-110,446.61

Finding the Fourth Proportional to 139,032.07, 191,678.70 and 110,446.61

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Solution

The fourth proportional to 139,032.07, 191,678.70 and 110,446.61 is: 152,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,032.07 : 191,678.70 = 110,446.61 : x
  2. Step 2: Convert to fraction form
    139,032.07/191,678.70 = 110,446.61/x
  3. Step 3: Cross multiply
    139,032.07x = 191,678.70 × 110,446.61
  4. Step 4: Simplify right side
    139,032.07x = 21,170,263,697.28
  5. Step 5: Solve for x
    x = 21,170,263,697.28/139,032.07
  6. Step 6: Final answer
    x = 152,268.92

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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.