Home / 100,977.40-151,466.10-30,856.11

Finding the Fourth Proportional to 100,977.40, 151,466.10 and 30,856.11

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Solution

The fourth proportional to 100,977.40, 151,466.10 and 30,856.11 is: 46,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,977.40 : 151,466.10 = 30,856.11 : x
  2. Step 2: Convert to fraction form
    100,977.40/151,466.10 = 30,856.11/x
  3. Step 3: Cross multiply
    100,977.40x = 151,466.10 × 30,856.11
  4. Step 4: Simplify right side
    100,977.40x = 4,673,654,642.87
  5. Step 5: Solve for x
    x = 4,673,654,642.87/100,977.40
  6. Step 6: Final answer
    x = 46,284.17

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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.