Home / 145,079.04-217,195.92-107,804.40

Finding the Fourth Proportional to 145,079.04, 217,195.92 and 107,804.40

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Solution

The fourth proportional to 145,079.04, 217,195.92 and 107,804.40 is: 161,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,079.04 : 217,195.92 = 107,804.40 : x
  2. Step 2: Convert to fraction form
    145,079.04/217,195.92 = 107,804.40/x
  3. Step 3: Cross multiply
    145,079.04x = 217,195.92 × 107,804.40
  4. Step 4: Simplify right side
    145,079.04x = 23,414,675,838.05
  5. Step 5: Solve for x
    x = 23,414,675,838.05/145,079.04
  6. Step 6: Final answer
    x = 161,392.55

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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.