Home / 98,007.57-135,242.33-54,981.18

Finding the Fourth Proportional to 98,007.57, 135,242.33 and 54,981.18

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Solution

The fourth proportional to 98,007.57, 135,242.33 and 54,981.18 is: 75,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,007.57 : 135,242.33 = 54,981.18 : x
  2. Step 2: Convert to fraction form
    98,007.57/135,242.33 = 54,981.18/x
  3. Step 3: Cross multiply
    98,007.57x = 135,242.33 × 54,981.18
  4. Step 4: Simplify right side
    98,007.57x = 7,435,782,614.44
  5. Step 5: Solve for x
    x = 7,435,782,614.44/98,007.57
  6. Step 6: Final answer
    x = 75,869.47

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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.