Home / 106,569.55-147,119.21-66,296.40

Finding the Fourth Proportional to 106,569.55, 147,119.21 and 66,296.40

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Solution

The fourth proportional to 106,569.55, 147,119.21 and 66,296.40 is: 91,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,569.55 : 147,119.21 = 66,296.40 : x
  2. Step 2: Convert to fraction form
    106,569.55/147,119.21 = 66,296.40/x
  3. Step 3: Cross multiply
    106,569.55x = 147,119.21 × 66,296.40
  4. Step 4: Simplify right side
    106,569.55x = 9,753,473,993.84
  5. Step 5: Solve for x
    x = 9,753,473,993.84/106,569.55
  6. Step 6: Final answer
    x = 91,522.15

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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.