Home / 159,435.48-220,012.65-99,004.82

Finding the Fourth Proportional to 159,435.48, 220,012.65 and 99,004.82

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Solution

The fourth proportional to 159,435.48, 220,012.65 and 99,004.82 is: 136,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,435.48 : 220,012.65 = 99,004.82 : x
  2. Step 2: Convert to fraction form
    159,435.48/220,012.65 = 99,004.82/x
  3. Step 3: Cross multiply
    159,435.48x = 220,012.65 × 99,004.82
  4. Step 4: Simplify right side
    159,435.48x = 21,782,313,608.52
  5. Step 5: Solve for x
    x = 21,782,313,608.52/159,435.48
  6. Step 6: Final answer
    x = 136,621.49

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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.