Home / 159,007.68-219,417.60-91,009.14

Finding the Fourth Proportional to 159,007.68, 219,417.60 and 91,009.14

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Solution

The fourth proportional to 159,007.68, 219,417.60 and 91,009.14 is: 125,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,007.68 : 219,417.60 = 91,009.14 : x
  2. Step 2: Convert to fraction form
    159,007.68/219,417.60 = 91,009.14/x
  3. Step 3: Cross multiply
    159,007.68x = 219,417.60 × 91,009.14
  4. Step 4: Simplify right side
    159,007.68x = 19,969,007,076.86
  5. Step 5: Solve for x
    x = 19,969,007,076.86/159,007.68
  6. Step 6: Final answer
    x = 125,585.17

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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.