Home / 155,023.32-213,869.52-97,561.38

Finding the Fourth Proportional to 155,023.32, 213,869.52 and 97,561.38

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Solution

The fourth proportional to 155,023.32, 213,869.52 and 97,561.38 is: 134,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,023.32 : 213,869.52 = 97,561.38 : x
  2. Step 2: Convert to fraction form
    155,023.32/213,869.52 = 97,561.38/x
  3. Step 3: Cross multiply
    155,023.32x = 213,869.52 × 97,561.38
  4. Step 4: Simplify right side
    155,023.32x = 20,865,405,511.14
  5. Step 5: Solve for x
    x = 20,865,405,511.14/155,023.32
  6. Step 6: Final answer
    x = 134,595.27

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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.