Home / 153,739.87-230,937.59-144,751.30

Finding the Fourth Proportional to 153,739.87, 230,937.59 and 144,751.30

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Solution

The fourth proportional to 153,739.87, 230,937.59 and 144,751.30 is: 217,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,739.87 : 230,937.59 = 144,751.30 : x
  2. Step 2: Convert to fraction form
    153,739.87/230,937.59 = 144,751.30/x
  3. Step 3: Cross multiply
    153,739.87x = 230,937.59 × 144,751.30
  4. Step 4: Simplify right side
    153,739.87x = 33,428,516,371.37
  5. Step 5: Solve for x
    x = 33,428,516,371.37/153,739.87
  6. Step 6: Final answer
    x = 217,435.57

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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.