Home / 132,017.40-182,065.86-103,673.88

Finding the Fourth Proportional to 132,017.40, 182,065.86 and 103,673.88

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Solution

The fourth proportional to 132,017.40, 182,065.86 and 103,673.88 is: 142,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,017.40 : 182,065.86 = 103,673.88 : x
  2. Step 2: Convert to fraction form
    132,017.40/182,065.86 = 103,673.88/x
  3. Step 3: Cross multiply
    132,017.40x = 182,065.86 × 103,673.88
  4. Step 4: Simplify right side
    132,017.40x = 18,875,474,121.74
  5. Step 5: Solve for x
    x = 18,875,474,121.74/132,017.40
  6. Step 6: Final answer
    x = 142,977.17

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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.