Home / 97,534.87-146,307.36-30,980.21

Finding the Fourth Proportional to 97,534.87, 146,307.36 and 30,980.21

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Solution

The fourth proportional to 97,534.87, 146,307.36 and 30,980.21 is: 46,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,534.87 : 146,307.36 = 30,980.21 : x
  2. Step 2: Convert to fraction form
    97,534.87/146,307.36 = 30,980.21/x
  3. Step 3: Cross multiply
    97,534.87x = 146,307.36 × 30,980.21
  4. Step 4: Simplify right side
    97,534.87x = 4,532,632,121.98
  5. Step 5: Solve for x
    x = 4,532,632,121.98/97,534.87
  6. Step 6: Final answer
    x = 46,471.92

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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.