Home / 133,074.40-183,661.14-76,484.56

Finding the Fourth Proportional to 133,074.40, 183,661.14 and 76,484.56

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Solution

The fourth proportional to 133,074.40, 183,661.14 and 76,484.56 is: 105,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.40 : 183,661.14 = 76,484.56 : x
  2. Step 2: Convert to fraction form
    133,074.40/183,661.14 = 76,484.56/x
  3. Step 3: Cross multiply
    133,074.40x = 183,661.14 × 76,484.56
  4. Step 4: Simplify right side
    133,074.40x = 14,047,241,482.00
  5. Step 5: Solve for x
    x = 14,047,241,482.00/133,074.40
  6. Step 6: Final answer
    x = 105,559.31

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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.