Home / 239,281.39-330,215.27-131,858.35

Finding the Fourth Proportional to 239,281.39, 330,215.27 and 131,858.35

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Solution

The fourth proportional to 239,281.39, 330,215.27 and 131,858.35 is: 181,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,281.39 : 330,215.27 = 131,858.35 : x
  2. Step 2: Convert to fraction form
    239,281.39/330,215.27 = 131,858.35/x
  3. Step 3: Cross multiply
    239,281.39x = 330,215.27 × 131,858.35
  4. Step 4: Simplify right side
    239,281.39x = 43,541,639,162.17
  5. Step 5: Solve for x
    x = 43,541,639,162.17/239,281.39
  6. Step 6: Final answer
    x = 181,968.35

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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.