Home / 146,708.70-202,480.47-90,159.90

Finding the Fourth Proportional to 146,708.70, 202,480.47 and 90,159.90

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Solution

The fourth proportional to 146,708.70, 202,480.47 and 90,159.90 is: 124,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,708.70 : 202,480.47 = 90,159.90 : x
  2. Step 2: Convert to fraction form
    146,708.70/202,480.47 = 90,159.90/x
  3. Step 3: Cross multiply
    146,708.70x = 202,480.47 × 90,159.90
  4. Step 4: Simplify right side
    146,708.70x = 18,255,618,927.15
  5. Step 5: Solve for x
    x = 18,255,618,927.15/146,708.70
  6. Step 6: Final answer
    x = 124,434.47

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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.