Home / 119,368.76-179,055.90-39,381.05

Finding the Fourth Proportional to 119,368.76, 179,055.90 and 39,381.05

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Solution

The fourth proportional to 119,368.76, 179,055.90 and 39,381.05 is: 59,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,368.76 : 179,055.90 = 39,381.05 : x
  2. Step 2: Convert to fraction form
    119,368.76/179,055.90 = 39,381.05/x
  3. Step 3: Cross multiply
    119,368.76x = 179,055.90 × 39,381.05
  4. Step 4: Simplify right side
    119,368.76x = 7,051,409,798.33
  5. Step 5: Solve for x
    x = 7,051,409,798.33/119,368.76
  6. Step 6: Final answer
    x = 59,072.49

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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.