Home / 119,875.32-165,425.94-66,160.26

Finding the Fourth Proportional to 119,875.32, 165,425.94 and 66,160.26

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Solution

The fourth proportional to 119,875.32, 165,425.94 and 66,160.26 is: 91,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,875.32 : 165,425.94 = 66,160.26 : x
  2. Step 2: Convert to fraction form
    119,875.32/165,425.94 = 66,160.26/x
  3. Step 3: Cross multiply
    119,875.32x = 165,425.94 × 66,160.26
  4. Step 4: Simplify right side
    119,875.32x = 10,944,623,201.14
  5. Step 5: Solve for x
    x = 10,944,623,201.14/119,875.32
  6. Step 6: Final answer
    x = 91,300.05

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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.