Home / 111,242.08-153,391.08-70,891.96

Finding the Fourth Proportional to 111,242.08, 153,391.08 and 70,891.96

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Solution

The fourth proportional to 111,242.08, 153,391.08 and 70,891.96 is: 97,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,242.08 : 153,391.08 = 70,891.96 : x
  2. Step 2: Convert to fraction form
    111,242.08/153,391.08 = 70,891.96/x
  3. Step 3: Cross multiply
    111,242.08x = 153,391.08 × 70,891.96
  4. Step 4: Simplify right side
    111,242.08x = 10,874,194,307.72
  5. Step 5: Solve for x
    x = 10,874,194,307.72/111,242.08
  6. Step 6: Final answer
    x = 97,752.53

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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.