Home / 106,271.40-146,725.10-66,045.18

Finding the Fourth Proportional to 106,271.40, 146,725.10 and 66,045.18

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Solution

The fourth proportional to 106,271.40, 146,725.10 and 66,045.18 is: 91,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,271.40 : 146,725.10 = 66,045.18 : x
  2. Step 2: Convert to fraction form
    106,271.40/146,725.10 = 66,045.18/x
  3. Step 3: Cross multiply
    106,271.40x = 146,725.10 × 66,045.18
  4. Step 4: Simplify right side
    106,271.40x = 9,690,485,640.02
  5. Step 5: Solve for x
    x = 9,690,485,640.02/106,271.40
  6. Step 6: Final answer
    x = 91,186.20

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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.