Home / 109,106.13-150,564.99-61,359.45

Finding the Fourth Proportional to 109,106.13, 150,564.99 and 61,359.45

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Solution

The fourth proportional to 109,106.13, 150,564.99 and 61,359.45 is: 84,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,106.13 : 150,564.99 = 61,359.45 : x
  2. Step 2: Convert to fraction form
    109,106.13/150,564.99 = 61,359.45/x
  3. Step 3: Cross multiply
    109,106.13x = 150,564.99 × 61,359.45
  4. Step 4: Simplify right side
    109,106.13x = 9,238,584,975.66
  5. Step 5: Solve for x
    x = 9,238,584,975.66/109,106.13
  6. Step 6: Final answer
    x = 84,675.21

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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.