Home / 123,323.63-170,186.76-66,735

Finding the Fourth Proportional to 123,323.63, 170,186.76 and 66,735

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Solution

The fourth proportional to 123,323.63, 170,186.76 and 66,735 is: 92,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,323.63 : 170,186.76 = 66,735 : x
  2. Step 2: Convert to fraction form
    123,323.63/170,186.76 = 66,735/x
  3. Step 3: Cross multiply
    123,323.63x = 170,186.76 × 66,735
  4. Step 4: Simplify right side
    123,323.63x = 11,357,413,428.60
  5. Step 5: Solve for x
    x = 11,357,413,428.60/123,323.63
  6. Step 6: Final answer
    x = 92,094.39

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1.5x scale

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.