Home / 161,564.56-222,813.93-101,140.70

Finding the Fourth Proportional to 161,564.56, 222,813.93 and 101,140.70

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Solution

The fourth proportional to 161,564.56, 222,813.93 and 101,140.70 is: 139,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,564.56 : 222,813.93 = 101,140.70 : x
  2. Step 2: Convert to fraction form
    161,564.56/222,813.93 = 101,140.70/x
  3. Step 3: Cross multiply
    161,564.56x = 222,813.93 × 101,140.70
  4. Step 4: Simplify right side
    161,564.56x = 22,535,556,849.95
  5. Step 5: Solve for x
    x = 22,535,556,849.95/161,564.56
  6. Step 6: Final answer
    x = 139,483.30

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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.