Home / 133,117.91-199,576.51-69,007.06

Finding the Fourth Proportional to 133,117.91, 199,576.51 and 69,007.06

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Solution

The fourth proportional to 133,117.91, 199,576.51 and 69,007.06 is: 103,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,117.91 : 199,576.51 = 69,007.06 : x
  2. Step 2: Convert to fraction form
    133,117.91/199,576.51 = 69,007.06/x
  3. Step 3: Cross multiply
    133,117.91x = 199,576.51 × 69,007.06
  4. Step 4: Simplify right side
    133,117.91x = 13,772,188,838.42
  5. Step 5: Solve for x
    x = 13,772,188,838.42/133,117.91
  6. Step 6: Final answer
    x = 103,458.57

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1.5x scale

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.