Home / 111,872.34-154,386.68-60,887.84

Finding the Fourth Proportional to 111,872.34, 154,386.68 and 60,887.84

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Solution

The fourth proportional to 111,872.34, 154,386.68 and 60,887.84 is: 84,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,872.34 : 154,386.68 = 60,887.84 : x
  2. Step 2: Convert to fraction form
    111,872.34/154,386.68 = 60,887.84/x
  3. Step 3: Cross multiply
    111,872.34x = 154,386.68 × 60,887.84
  4. Step 4: Simplify right side
    111,872.34x = 9,400,270,393.60
  5. Step 5: Solve for x
    x = 9,400,270,393.60/111,872.34
  6. Step 6: Final answer
    x = 84,026.76

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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.