Home / 109,400.84-150,971.06-61,653.23

Finding the Fourth Proportional to 109,400.84, 150,971.06 and 61,653.23

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Solution

The fourth proportional to 109,400.84, 150,971.06 and 61,653.23 is: 85,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,400.84 : 150,971.06 = 61,653.23 : x
  2. Step 2: Convert to fraction form
    109,400.84/150,971.06 = 61,653.23/x
  3. Step 3: Cross multiply
    109,400.84x = 150,971.06 × 61,653.23
  4. Step 4: Simplify right side
    109,400.84x = 9,307,852,884.80
  5. Step 5: Solve for x
    x = 9,307,852,884.80/109,400.84
  6. Step 6: Final answer
    x = 85,080.27

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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.