Home / 132,975.05-183,505.16-72,545.26

Finding the Fourth Proportional to 132,975.05, 183,505.16 and 72,545.26

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Solution

The fourth proportional to 132,975.05, 183,505.16 and 72,545.26 is: 100,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,975.05 : 183,505.16 = 72,545.26 : x
  2. Step 2: Convert to fraction form
    132,975.05/183,505.16 = 72,545.26/x
  3. Step 3: Cross multiply
    132,975.05x = 183,505.16 × 72,545.26
  4. Step 4: Simplify right side
    132,975.05x = 13,312,428,626.02
  5. Step 5: Solve for x
    x = 13,312,428,626.02/132,975.05
  6. Step 6: Final answer
    x = 100,112.23

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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.