Home / 111,741.04-154,202.70-61,440.04

Finding the Fourth Proportional to 111,741.04, 154,202.70 and 61,440.04

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Solution

The fourth proportional to 111,741.04, 154,202.70 and 61,440.04 is: 84,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,741.04 : 154,202.70 = 61,440.04 : x
  2. Step 2: Convert to fraction form
    111,741.04/154,202.70 = 61,440.04/x
  3. Step 3: Cross multiply
    111,741.04x = 154,202.70 × 61,440.04
  4. Step 4: Simplify right side
    111,741.04x = 9,474,220,056.11
  5. Step 5: Solve for x
    x = 9,474,220,056.11/111,741.04
  6. Step 6: Final answer
    x = 84,787.29

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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.