Home / 126,281.80-189,576.30-94,870.60

Finding the Fourth Proportional to 126,281.80, 189,576.30 and 94,870.60

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Solution

The fourth proportional to 126,281.80, 189,576.30 and 94,870.60 is: 142,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,281.80 : 189,576.30 = 94,870.60 : x
  2. Step 2: Convert to fraction form
    126,281.80/189,576.30 = 94,870.60/x
  3. Step 3: Cross multiply
    126,281.80x = 189,576.30 × 94,870.60
  4. Step 4: Simplify right side
    126,281.80x = 17,985,217,326.78
  5. Step 5: Solve for x
    x = 17,985,217,326.78/126,281.80
  6. Step 6: Final answer
    x = 142,421.29

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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.