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Finding the Fourth Proportional to 123,206.01, 170,024.06 and 69,490.86

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Solution

The fourth proportional to 123,206.01, 170,024.06 and 69,490.86 is: 95,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,206.01 : 170,024.06 = 69,490.86 : x
  2. Step 2: Convert to fraction form
    123,206.01/170,024.06 = 69,490.86/x
  3. Step 3: Cross multiply
    123,206.01x = 170,024.06 × 69,490.86
  4. Step 4: Simplify right side
    123,206.01x = 11,815,118,323.82
  5. Step 5: Solve for x
    x = 11,815,118,323.82/123,206.01
  6. Step 6: Final answer
    x = 95,897.26

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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.