Home / 137,449.02-189,680.31-89,674.14

Finding the Fourth Proportional to 137,449.02, 189,680.31 and 89,674.14

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Solution

The fourth proportional to 137,449.02, 189,680.31 and 89,674.14 is: 123,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,449.02 : 189,680.31 = 89,674.14 : x
  2. Step 2: Convert to fraction form
    137,449.02/189,680.31 = 89,674.14/x
  3. Step 3: Cross multiply
    137,449.02x = 189,680.31 × 89,674.14
  4. Step 4: Simplify right side
    137,449.02x = 17,009,418,674.18
  5. Step 5: Solve for x
    x = 17,009,418,674.18/137,449.02
  6. Step 6: Final answer
    x = 123,750.75

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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.