Home / 158,065.19-236,855.40-107,399.69

Finding the Fourth Proportional to 158,065.19, 236,855.40 and 107,399.69

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Solution

The fourth proportional to 158,065.19, 236,855.40 and 107,399.69 is: 160,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,065.19 : 236,855.40 = 107,399.69 : x
  2. Step 2: Convert to fraction form
    158,065.19/236,855.40 = 107,399.69/x
  3. Step 3: Cross multiply
    158,065.19x = 236,855.40 × 107,399.69
  4. Step 4: Simplify right side
    158,065.19x = 25,438,196,534.83
  5. Step 5: Solve for x
    x = 25,438,196,534.83/158,065.19
  6. Step 6: Final answer
    x = 160,934.84

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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.