Home / 146,023.29-201,356.55-115,342.45

Finding the Fourth Proportional to 146,023.29, 201,356.55 and 115,342.45

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Solution

The fourth proportional to 146,023.29, 201,356.55 and 115,342.45 is: 159,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,023.29 : 201,356.55 = 115,342.45 : x
  2. Step 2: Convert to fraction form
    146,023.29/201,356.55 = 115,342.45/x
  3. Step 3: Cross multiply
    146,023.29x = 201,356.55 × 115,342.45
  4. Step 4: Simplify right side
    146,023.29x = 23,224,957,297.16
  5. Step 5: Solve for x
    x = 23,224,957,297.16/146,023.29
  6. Step 6: Final answer
    x = 159,049.68

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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.