Home / 133,199.61-183,815.87-76,607.25

Finding the Fourth Proportional to 133,199.61, 183,815.87 and 76,607.25

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Solution

The fourth proportional to 133,199.61, 183,815.87 and 76,607.25 is: 105,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,199.61 : 183,815.87 = 76,607.25 : x
  2. Step 2: Convert to fraction form
    133,199.61/183,815.87 = 76,607.25/x
  3. Step 3: Cross multiply
    133,199.61x = 183,815.87 × 76,607.25
  4. Step 4: Simplify right side
    133,199.61x = 14,081,627,924.02
  5. Step 5: Solve for x
    x = 14,081,627,924.02/133,199.61
  6. Step 6: Final answer
    x = 105,718.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.