Home / 137,426.28-190,030.02-109,082.76

Finding the Fourth Proportional to 137,426.28, 190,030.02 and 109,082.76

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Solution

The fourth proportional to 137,426.28, 190,030.02 and 109,082.76 is: 150,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,426.28 : 190,030.02 = 109,082.76 : x
  2. Step 2: Convert to fraction form
    137,426.28/190,030.02 = 109,082.76/x
  3. Step 3: Cross multiply
    137,426.28x = 190,030.02 × 109,082.76
  4. Step 4: Simplify right side
    137,426.28x = 20,728,999,064.46
  5. Step 5: Solve for x
    x = 20,728,999,064.46/137,426.28
  6. Step 6: Final answer
    x = 150,837.23

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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.