Home / 133,307.65-199,740.03-93,781.72

Finding the Fourth Proportional to 133,307.65, 199,740.03 and 93,781.72

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Solution

The fourth proportional to 133,307.65, 199,740.03 and 93,781.72 is: 140,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,307.65 : 199,740.03 = 93,781.72 : x
  2. Step 2: Convert to fraction form
    133,307.65/199,740.03 = 93,781.72/x
  3. Step 3: Cross multiply
    133,307.65x = 199,740.03 × 93,781.72
  4. Step 4: Simplify right side
    133,307.65x = 18,731,963,566.25
  5. Step 5: Solve for x
    x = 18,731,963,566.25/133,307.65
  6. Step 6: Final answer
    x = 140,516.79

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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.