Home / 120,271.04-165,971.52-66,552.87

Finding the Fourth Proportional to 120,271.04, 165,971.52 and 66,552.87

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Solution

The fourth proportional to 120,271.04, 165,971.52 and 66,552.87 is: 91,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,271.04 : 165,971.52 = 66,552.87 : x
  2. Step 2: Convert to fraction form
    120,271.04/165,971.52 = 66,552.87/x
  3. Step 3: Cross multiply
    120,271.04x = 165,971.52 × 66,552.87
  4. Step 4: Simplify right side
    120,271.04x = 11,045,880,994.26
  5. Step 5: Solve for x
    x = 11,045,880,994.26/120,271.04
  6. Step 6: Final answer
    x = 91,841.57

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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.