Home / 111,771.30-154,206.62-63,368.04

Finding the Fourth Proportional to 111,771.30, 154,206.62 and 63,368.04

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Solution

The fourth proportional to 111,771.30, 154,206.62 and 63,368.04 is: 87,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,771.30 : 154,206.62 = 63,368.04 : x
  2. Step 2: Convert to fraction form
    111,771.30/154,206.62 = 63,368.04/x
  3. Step 3: Cross multiply
    111,771.30x = 154,206.62 × 63,368.04
  4. Step 4: Simplify right side
    111,771.30x = 9,771,771,264.42
  5. Step 5: Solve for x
    x = 9,771,771,264.42/111,771.30
  6. Step 6: Final answer
    x = 87,426.48

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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.