Home / 158,785.20-238,153.12-46,439.01

Finding the Fourth Proportional to 158,785.20, 238,153.12 and 46,439.01

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Solution

The fourth proportional to 158,785.20, 238,153.12 and 46,439.01 is: 69,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,785.20 : 238,153.12 = 46,439.01 : x
  2. Step 2: Convert to fraction form
    158,785.20/238,153.12 = 46,439.01/x
  3. Step 3: Cross multiply
    158,785.20x = 238,153.12 × 46,439.01
  4. Step 4: Simplify right side
    158,785.20x = 11,059,595,005.11
  5. Step 5: Solve for x
    x = 11,059,595,005.11/158,785.20
  6. Step 6: Final answer
    x = 69,651.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.