Home / 133,208.72-199,911.60-63,088.16

Finding the Fourth Proportional to 133,208.72, 199,911.60 and 63,088.16

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Solution

The fourth proportional to 133,208.72, 199,911.60 and 63,088.16 is: 94,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,208.72 : 199,911.60 = 63,088.16 : x
  2. Step 2: Convert to fraction form
    133,208.72/199,911.60 = 63,088.16/x
  3. Step 3: Cross multiply
    133,208.72x = 199,911.60 × 63,088.16
  4. Step 4: Simplify right side
    133,208.72x = 12,612,055,006.66
  5. Step 5: Solve for x
    x = 12,612,055,006.66/133,208.72
  6. Step 6: Final answer
    x = 94,678.90

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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.