Home / 202,559.47-279,444.26-121,940.30

Finding the Fourth Proportional to 202,559.47, 279,444.26 and 121,940.30

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Solution

The fourth proportional to 202,559.47, 279,444.26 and 121,940.30 is: 168,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,559.47 : 279,444.26 = 121,940.30 : x
  2. Step 2: Convert to fraction form
    202,559.47/279,444.26 = 121,940.30/x
  3. Step 3: Cross multiply
    202,559.47x = 279,444.26 × 121,940.30
  4. Step 4: Simplify right side
    202,559.47x = 34,075,517,901.14
  5. Step 5: Solve for x
    x = 34,075,517,901.14/202,559.47
  6. Step 6: Final answer
    x = 168,224.76

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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.