Home / 112,827.06-155,373.21-105,614.96

Finding the Fourth Proportional to 112,827.06, 155,373.21 and 105,614.96

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Solution

The fourth proportional to 112,827.06, 155,373.21 and 105,614.96 is: 145,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,827.06 : 155,373.21 = 105,614.96 : x
  2. Step 2: Convert to fraction form
    112,827.06/155,373.21 = 105,614.96/x
  3. Step 3: Cross multiply
    112,827.06x = 155,373.21 × 105,614.96
  4. Step 4: Simplify right side
    112,827.06x = 16,409,734,582.36
  5. Step 5: Solve for x
    x = 16,409,734,582.36/112,827.06
  6. Step 6: Final answer
    x = 145,441.48

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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.