Home / 112,327.86-155,015.07-61,340.95

Finding the Fourth Proportional to 112,327.86, 155,015.07 and 61,340.95

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Solution

The fourth proportional to 112,327.86, 155,015.07 and 61,340.95 is: 84,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327.86 : 155,015.07 = 61,340.95 : x
  2. Step 2: Convert to fraction form
    112,327.86/155,015.07 = 61,340.95/x
  3. Step 3: Cross multiply
    112,327.86x = 155,015.07 × 61,340.95
  4. Step 4: Simplify right side
    112,327.86x = 9,508,770,749.90
  5. Step 5: Solve for x
    x = 9,508,770,749.90/112,327.86
  6. Step 6: Final answer
    x = 84,651.93

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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.