Home / 111,790.32-154,281.96-64,050

Finding the Fourth Proportional to 111,790.32, 154,281.96 and 64,050

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Solution

The fourth proportional to 111,790.32, 154,281.96 and 64,050 is: 88,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,790.32 : 154,281.96 = 64,050 : x
  2. Step 2: Convert to fraction form
    111,790.32/154,281.96 = 64,050/x
  3. Step 3: Cross multiply
    111,790.32x = 154,281.96 × 64,050
  4. Step 4: Simplify right side
    111,790.32x = 9,881,759,538
  5. Step 5: Solve for x
    x = 9,881,759,538/111,790.32
  6. Step 6: Final answer
    x = 88,395.48

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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.