Home / 105,445.51-158,170.09-38,851.36

Finding the Fourth Proportional to 105,445.51, 158,170.09 and 38,851.36

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Solution

The fourth proportional to 105,445.51, 158,170.09 and 38,851.36 is: 58,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,445.51 : 158,170.09 = 38,851.36 : x
  2. Step 2: Convert to fraction form
    105,445.51/158,170.09 = 38,851.36/x
  3. Step 3: Cross multiply
    105,445.51x = 158,170.09 × 38,851.36
  4. Step 4: Simplify right side
    105,445.51x = 6,145,123,107.82
  5. Step 5: Solve for x
    x = 6,145,123,107.82/105,445.51
  6. Step 6: Final answer
    x = 58,277.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.