Home / 119,743.23-165,246.80-66,030.15

Finding the Fourth Proportional to 119,743.23, 165,246.80 and 66,030.15

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Solution

The fourth proportional to 119,743.23, 165,246.80 and 66,030.15 is: 91,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,743.23 : 165,246.80 = 66,030.15 : x
  2. Step 2: Convert to fraction form
    119,743.23/165,246.80 = 66,030.15/x
  3. Step 3: Cross multiply
    119,743.23x = 165,246.80 × 66,030.15
  4. Step 4: Simplify right side
    119,743.23x = 10,911,270,991.02
  5. Step 5: Solve for x
    x = 10,911,270,991.02/119,743.23
  6. Step 6: Final answer
    x = 91,122.24

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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.