Home / 133,314.86-183,994.54-76,715.30

Finding the Fourth Proportional to 133,314.86, 183,994.54 and 76,715.30

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Solution

The fourth proportional to 133,314.86, 183,994.54 and 76,715.30 is: 105,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,314.86 : 183,994.54 = 76,715.30 : x
  2. Step 2: Convert to fraction form
    133,314.86/183,994.54 = 76,715.30/x
  3. Step 3: Cross multiply
    133,314.86x = 183,994.54 × 76,715.30
  4. Step 4: Simplify right side
    133,314.86x = 14,115,196,334.46
  5. Step 5: Solve for x
    x = 14,115,196,334.46/133,314.86
  6. Step 6: Final answer
    x = 105,878.64

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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.