Home / 119,903.02-165,465.25-66,188.07

Finding the Fourth Proportional to 119,903.02, 165,465.25 and 66,188.07

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Solution

The fourth proportional to 119,903.02, 165,465.25 and 66,188.07 is: 91,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,903.02 : 165,465.25 = 66,188.07 : x
  2. Step 2: Convert to fraction form
    119,903.02/165,465.25 = 66,188.07/x
  3. Step 3: Cross multiply
    119,903.02x = 165,465.25 × 66,188.07
  4. Step 4: Simplify right side
    119,903.02x = 10,951,825,549.57
  5. Step 5: Solve for x
    x = 10,951,825,549.57/119,903.02
  6. Step 6: Final answer
    x = 91,339.03

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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.