Home / 146,242.72-201,818.64-89,685.28

Finding the Fourth Proportional to 146,242.72, 201,818.64 and 89,685.28

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Solution

The fourth proportional to 146,242.72, 201,818.64 and 89,685.28 is: 123,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,242.72 : 201,818.64 = 89,685.28 : x
  2. Step 2: Convert to fraction form
    146,242.72/201,818.64 = 89,685.28/x
  3. Step 3: Cross multiply
    146,242.72x = 201,818.64 × 89,685.28
  4. Step 4: Simplify right side
    146,242.72x = 18,100,161,237.62
  5. Step 5: Solve for x
    x = 18,100,161,237.62/146,242.72
  6. Step 6: Final answer
    x = 123,767.95

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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.