Home / 132,870.11-199,271.12-39,353.99

Finding the Fourth Proportional to 132,870.11, 199,271.12 and 39,353.99

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Solution

The fourth proportional to 132,870.11, 199,271.12 and 39,353.99 is: 59,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,870.11 : 199,271.12 = 39,353.99 : x
  2. Step 2: Convert to fraction form
    132,870.11/199,271.12 = 39,353.99/x
  3. Step 3: Cross multiply
    132,870.11x = 199,271.12 × 39,353.99
  4. Step 4: Simplify right side
    132,870.11x = 7,842,112,470.64
  5. Step 5: Solve for x
    x = 7,842,112,470.64/132,870.11
  6. Step 6: Final answer
    x = 59,020.89

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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.