Home / 119,784.99-165,304.07-66,071.46

Finding the Fourth Proportional to 119,784.99, 165,304.07 and 66,071.46

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Solution

The fourth proportional to 119,784.99, 165,304.07 and 66,071.46 is: 91,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,784.99 : 165,304.07 = 66,071.46 : x
  2. Step 2: Convert to fraction form
    119,784.99/165,304.07 = 66,071.46/x
  3. Step 3: Cross multiply
    119,784.99x = 165,304.07 × 66,071.46
  4. Step 4: Simplify right side
    119,784.99x = 10,921,881,248.84
  5. Step 5: Solve for x
    x = 10,921,881,248.84/119,784.99
  6. Step 6: Final answer
    x = 91,179.05

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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.