Home / 119,730.20-165,228.95-66,017.13

Finding the Fourth Proportional to 119,730.20, 165,228.95 and 66,017.13

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Solution

The fourth proportional to 119,730.20, 165,228.95 and 66,017.13 is: 91,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,730.20 : 165,228.95 = 66,017.13 : x
  2. Step 2: Convert to fraction form
    119,730.20/165,228.95 = 66,017.13/x
  3. Step 3: Cross multiply
    119,730.20x = 165,228.95 × 66,017.13
  4. Step 4: Simplify right side
    119,730.20x = 10,907,941,071.91
  5. Step 5: Solve for x
    x = 10,907,941,071.91/119,730.20
  6. Step 6: Final answer
    x = 91,104.34

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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.