Home / 123,118.02-169,902.36-66,529.26

Finding the Fourth Proportional to 123,118.02, 169,902.36 and 66,529.26

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Solution

The fourth proportional to 123,118.02, 169,902.36 and 66,529.26 is: 91,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,118.02 : 169,902.36 = 66,529.26 : x
  2. Step 2: Convert to fraction form
    123,118.02/169,902.36 = 66,529.26/x
  3. Step 3: Cross multiply
    123,118.02x = 169,902.36 × 66,529.26
  4. Step 4: Simplify right side
    123,118.02x = 11,303,478,283.05
  5. Step 5: Solve for x
    x = 11,303,478,283.05/123,118.02
  6. Step 6: Final answer
    x = 91,810.10

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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.