Home / 135,293.38-202,950.65-45,336.40

Finding the Fourth Proportional to 135,293.38, 202,950.65 and 45,336.40

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Solution

The fourth proportional to 135,293.38, 202,950.65 and 45,336.40 is: 68,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,293.38 : 202,950.65 = 45,336.40 : x
  2. Step 2: Convert to fraction form
    135,293.38/202,950.65 = 45,336.40/x
  3. Step 3: Cross multiply
    135,293.38x = 202,950.65 × 45,336.40
  4. Step 4: Simplify right side
    135,293.38x = 9,201,051,848.66
  5. Step 5: Solve for x
    x = 9,201,051,848.66/135,293.38
  6. Step 6: Final answer
    x = 68,008.15

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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.