Home / 111,362.85-153,678.87-62,964

Finding the Fourth Proportional to 111,362.85, 153,678.87 and 62,964

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Solution

The fourth proportional to 111,362.85, 153,678.87 and 62,964 is: 86,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,362.85 : 153,678.87 = 62,964 : x
  2. Step 2: Convert to fraction form
    111,362.85/153,678.87 = 62,964/x
  3. Step 3: Cross multiply
    111,362.85x = 153,678.87 × 62,964
  4. Step 4: Simplify right side
    111,362.85x = 9,676,236,370.68
  5. Step 5: Solve for x
    x = 9,676,236,370.68/111,362.85
  6. Step 6: Final answer
    x = 86,889.27

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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.