Home / 137,335.02-189,541.53-99,217.89

Finding the Fourth Proportional to 137,335.02, 189,541.53 and 99,217.89

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Solution

The fourth proportional to 137,335.02, 189,541.53 and 99,217.89 is: 136,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,335.02 : 189,541.53 = 99,217.89 : x
  2. Step 2: Convert to fraction form
    137,335.02/189,541.53 = 99,217.89/x
  3. Step 3: Cross multiply
    137,335.02x = 189,541.53 × 99,217.89
  4. Step 4: Simplify right side
    137,335.02x = 18,805,910,673.97
  5. Step 5: Solve for x
    x = 18,805,910,673.97/137,335.02
  6. Step 6: Final answer
    x = 136,934.56

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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.