Home / 119,368.85-164,673.79-71,539.16

Finding the Fourth Proportional to 119,368.85, 164,673.79 and 71,539.16

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Solution

The fourth proportional to 119,368.85, 164,673.79 and 71,539.16 is: 98,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,368.85 : 164,673.79 = 71,539.16 : x
  2. Step 2: Convert to fraction form
    119,368.85/164,673.79 = 71,539.16/x
  3. Step 3: Cross multiply
    119,368.85x = 164,673.79 × 71,539.16
  4. Step 4: Simplify right side
    119,368.85x = 11,780,624,610.62
  5. Step 5: Solve for x
    x = 11,780,624,610.62/119,368.85
  6. Step 6: Final answer
    x = 98,690.95

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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.