Home / 112,202.66-154,836.31-61,216.40

Finding the Fourth Proportional to 112,202.66, 154,836.31 and 61,216.40

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Solution

The fourth proportional to 112,202.66, 154,836.31 and 61,216.40 is: 84,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,202.66 : 154,836.31 = 61,216.40 : x
  2. Step 2: Convert to fraction form
    112,202.66/154,836.31 = 61,216.40/x
  3. Step 3: Cross multiply
    112,202.66x = 154,836.31 × 61,216.40
  4. Step 4: Simplify right side
    112,202.66x = 9,478,521,721.53
  5. Step 5: Solve for x
    x = 9,478,521,721.53/112,202.66
  6. Step 6: Final answer
    x = 84,476.80

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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.