Home / 137,656.10-189,764.34-97,298.66

Finding the Fourth Proportional to 137,656.10, 189,764.34 and 97,298.66

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Solution

The fourth proportional to 137,656.10, 189,764.34 and 97,298.66 is: 134,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,656.10 : 189,764.34 = 97,298.66 : x
  2. Step 2: Convert to fraction form
    137,656.10/189,764.34 = 97,298.66/x
  3. Step 3: Cross multiply
    137,656.10x = 189,764.34 × 97,298.66
  4. Step 4: Simplify right side
    137,656.10x = 18,463,815,997.78
  5. Step 5: Solve for x
    x = 18,463,815,997.78/137,656.10
  6. Step 6: Final answer
    x = 134,130.02

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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.