Home / 117,533.48-162,199.89-66,545.33

Finding the Fourth Proportional to 117,533.48, 162,199.89 and 66,545.33

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Solution

The fourth proportional to 117,533.48, 162,199.89 and 66,545.33 is: 91,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,533.48 : 162,199.89 = 66,545.33 : x
  2. Step 2: Convert to fraction form
    117,533.48/162,199.89 = 66,545.33/x
  3. Step 3: Cross multiply
    117,533.48x = 162,199.89 × 66,545.33
  4. Step 4: Simplify right side
    117,533.48x = 10,793,644,395.01
  5. Step 5: Solve for x
    x = 10,793,644,395.01/117,533.48
  6. Step 6: Final answer
    x = 91,834.64

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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.