Home / 147,138.04-220,739.72-53,643.52

Finding the Fourth Proportional to 147,138.04, 220,739.72 and 53,643.52

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Solution

The fourth proportional to 147,138.04, 220,739.72 and 53,643.52 is: 80,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,138.04 : 220,739.72 = 53,643.52 : x
  2. Step 2: Convert to fraction form
    147,138.04/220,739.72 = 53,643.52/x
  3. Step 3: Cross multiply
    147,138.04x = 220,739.72 × 53,643.52
  4. Step 4: Simplify right side
    147,138.04x = 11,841,255,584.61
  5. Step 5: Solve for x
    x = 11,841,255,584.61/147,138.04
  6. Step 6: Final answer
    x = 80,477.19

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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.