Home / 133,238.04-199,876.52-39,731.64

Finding the Fourth Proportional to 133,238.04, 199,876.52 and 39,731.64

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Solution

The fourth proportional to 133,238.04, 199,876.52 and 39,731.64 is: 59,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,238.04 : 199,876.52 = 39,731.64 : x
  2. Step 2: Convert to fraction form
    133,238.04/199,876.52 = 39,731.64/x
  3. Step 3: Cross multiply
    133,238.04x = 199,876.52 × 39,731.64
  4. Step 4: Simplify right side
    133,238.04x = 7,941,421,937.09
  5. Step 5: Solve for x
    x = 7,941,421,937.09/133,238.04
  6. Step 6: Final answer
    x = 59,603.26

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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.