Home / 137,493.61-189,386.24-97,137.29

Finding the Fourth Proportional to 137,493.61, 189,386.24 and 97,137.29

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Solution

The fourth proportional to 137,493.61, 189,386.24 and 97,137.29 is: 133,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,493.61 : 189,386.24 = 97,137.29 : x
  2. Step 2: Convert to fraction form
    137,493.61/189,386.24 = 97,137.29/x
  3. Step 3: Cross multiply
    137,493.61x = 189,386.24 × 97,137.29
  4. Step 4: Simplify right side
    137,493.61x = 18,396,466,116.89
  5. Step 5: Solve for x
    x = 18,396,466,116.89/137,493.61
  6. Step 6: Final answer
    x = 133,798.70

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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.