Home / 159,011.46-219,438.37-91,028.16

Finding the Fourth Proportional to 159,011.46, 219,438.37 and 91,028.16

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Solution

The fourth proportional to 159,011.46, 219,438.37 and 91,028.16 is: 125,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,011.46 : 219,438.37 = 91,028.16 : x
  2. Step 2: Convert to fraction form
    159,011.46/219,438.37 = 91,028.16/x
  3. Step 3: Cross multiply
    159,011.46x = 219,438.37 × 91,028.16
  4. Step 4: Simplify right side
    159,011.46x = 19,975,071,054.50
  5. Step 5: Solve for x
    x = 19,975,071,054.50/159,011.46
  6. Step 6: Final answer
    x = 125,620.32

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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.